context stringlengths 545 71.9k | questionsrc stringlengths 16 10.2k | question stringlengths 11 563 |
|---|---|---|
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | i had blood poisoning and the condition got really bad , and you said mhc1 exist in nucleated cells is that why my cytotoxic t cells did n't detect it ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | so if cd4 t cells are dependent on mhc class ii then would cytotoxic cd8 t cells be of minimal importance during extracellular bacteria infections ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so a b cell -- it has its membrane bound antibody , just like that . it actually has many , many thousands of these . i could keep drawing a bunch of them , but just so you know there 's more than one . | is it possible for a person to get sick because they are battling too many infections ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so just to make sure you understand the difference -- so t cells . they both have t cell receptors , but the helper t cells bond to mhc ii complexes . let 's say that this is a helper t cell right here . | my biology book says that cytotoxic t cells can recognize mhc class i and class ii ... is that true ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so after phagocytoses some type of a pathogen , it 'll cut it all up , and then it 'll display -- it 'll present the antigen on its surface on a protein complex here and the part of the pathogen that it cut up , it 'll put up right here . and we learned on the antigen presenting cell video that this complex right here ... | so what are the major differences between mhc i molecules and mhc ii molecules ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | what is the difference between natural killer cells and b and t cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | are these cells connected to neurons in any way ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | it 'll cut up a part of this and present it on its surface in conjunction with an mhc ii complex . so once again , this is an mhc ii complex . so these professional antigen presenting cells that go out and take things out of the fluid , out of the humoral parts of our body , things just floating around . | what is the difference between mhc i and mhc ii ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so even b cells did this . let me draw a b cell . so a b cell -- it has its membrane bound antibody , just like that . it actually has many , many thousands of these . | so what exactly activates the b cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | can b cells directly activate cd8 cells which cross presentation occurs and b cells have mhc i on it ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | it 'll cut up a part of this and present it on its surface in conjunction with an mhc ii complex . so once again , this is an mhc ii complex . so these professional antigen presenting cells that go out and take things out of the fluid , out of the humoral parts of our body , things just floating around . | will b cells only express mhc ii on it only or it can have mhc i too ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so just to make sure you understand the difference -- so t cells . they both have t cell receptors , but the helper t cells bond to mhc ii complexes . let 's say that this is a helper t cell right here . | are there more than 1 mhc 2 complexes in any cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . so a b cell -- it has its membrane bound antibody , just like that . | so the b cell is part of the humeral response and t cells part of the cell mediated response ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | which protein do cytotoxic cells release to kill the cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | what types of cells produce igg ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | so basically , the helper t cells raise the alarm and the cytotoxic t cells are like the superhero cells because they actually kill the cell with the virus ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | in cancerous cells , why are the killer t cells unable to kill the cancerous cells through them presenting abnormal proteins with their mhc i ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | what is the difference between cytotoxic t cells and membrane attack complexes ( mac ) of the complement system , in terms of their abilities to lyse the infected cells by perforating the plasma membrane ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | why are t cells so important in an immune response ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . | do rbcs have mhc1 or not ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | do the effector and memory cytotoxic t-cells that are made through replication have the same type of antibody as their `` parent '' cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | maybe some type of bacteria or some type of weird protein has gotten in here -- any cell in the human body can cut those up , even if it 's malfunctioning , and it will present them . so let 's say the cell is cancerous . so this cell 's cancerous and it has all these wacky proteins that only cancer cells present that ... | what does the mhc1 of a normal cell display ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | why does n't cytotoxic t cells rapidly multiply to kill cancer cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | do the cytotoxic t cells also require a cytokine signal from the t helper ( like the b cells ) ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | how , does the cytotoxic t-cell make sure , that the granzymes are reaching only the attacked cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | is a 'killer t-cell ' the same as a 'cytotoxic t-cell ' ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | they 'll take them in , they 'll say , this is bad , cut them up , and then present them on these mhc ii . that 's why we call them professional antigen presenting cells . now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that ... | but how do cells from the innate immune system recognize/phagocyte pathogens randomly in the first place ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so after phagocytoses some type of a pathogen , it 'll cut it all up , and then it 'll display -- it 'll present the antigen on its surface on a protein complex here and the part of the pathogen that it cut up , it 'll put up right here . and we learned on the antigen presenting cell video that this complex right here ... | i just wanted to make sure ; mhc 2 is what the antigen attaches to , and is presented with , right ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses some type of a pathogen , it 'll cut it all up , and then it 'll display -- it 'll present the antigen on its surface on a protein complex here and the part of the pathogen that it c... | but , does n't it need co-stimulation from an antigen presenting cell : here meaning cd28-b7 ( cd80/cd86 ) interaction to be activated ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so after phagocytoses some type of a pathogen , it 'll cut it all up , and then it 'll display -- it 'll present the antigen on its surface on a protein complex here and the part of the pathogen that it cut up , it 'll put up right here . and we learned on the antigen presenting cell video that this complex right here ... | it presents it on its mhc 1 , but if it conquers the virus/bacteria/whatever it presents it on the mhc 2 ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | are both helper t cells and cytotoxic t cells activated at or around the same time ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so even b cells did this . let me draw a b cell . so a b cell -- it has its membrane bound antibody , just like that . | my question is : can the helper t cell and b cell both be activated simultaneously through one interaction of the receptor on the helper t cell and the mhc ii + antigen on the b cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . | or how do they avoid tobe killed by the nk ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | so do b cells also get infected , and then the cytotoxic comes to bind to the mhc1 ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | is there an illness that affects cytotoxic t cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | is the cytotoxic t cell effector cell that goes out and kills other sick cells displaying the mhc i complex with the right `` signal '' also known as the `` natural killer t cell '' ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | would it be possible for a cytotoxic t cell to get a mutation which makes it attack the body 's cells and multiply ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so it 's turning into this virus factory . same thing -- there are mechanisms in a cell that will take some of the proteins that make up those viruses and present them on the mhc i complex . so in the case of mhc ii , this is what triggered helper t cells to say , hey , you know what ? | what are the mechanisms to stop such a reaction ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | where histocompatibility just means tissue compatibility . and this was the case on antigen presenting cells . so even b cells did this . | what is the difference between a pathogen and an antigen ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so let 's say this cell has split and there 's another version of it right here . that 's what cancer does . it divides aggressively . | what would happen if the only cytotoxic t cell that could deal with cancer , for instance , gets attacked by cancer first ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | do cytotoxic t cells use macrophages to recognize mhc 1 ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | can a cell present both mhci and mhcii at the same time ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so like helper t cells , the t cell receptor has a non-variable portion , but it also has a variable portion that is specific to this combination of antigens and mhc i . so maybe this cytotoxic t cell will be involved when this cell goes cancerous . this cytotoxic t cell would be of no use -- or it wo n't bond to this ... | whats the point of a memory tc of a cancerous cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | for example , a cancer cell that 's presenting weird proteins or once the virus has entered the cell , then the antibodies are really of no use . the antibodies are n't going to be able to get into those cells . in that case , instead of cleaning up the virus itself , a cytotoxic t cell will come here and just kill thi... | so how do rbcs protect themselves from pathogens , since they do n't trigger cytotoxic t-cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | just wondering if b lymphocytes require a 2nd activation key in the form of the t helper cells is there a similar mechanism in place for t lymphocyte activation ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | now , it turns out that pretty much all cells in our bodies -- when i say almost all cells , it 's actually all nucleated cells . so all cells that have a nucleus in the human body -- so the only cells in our human body that do n't have nucleuses are red blood cells , which i find fascinating -- so that they can have m... | if red blood cells do n't have major histocompatibility complexes ; why does it matter what blood type you are ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . so a b cell -- it has its membrane bound antibody , just like that . it actually has many , many thousands of these . i could keep drawing a bunch of them , but just so you know there 's more than one . | how many memory cells are produced from each b or t cell ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | is there a `` failsafe '' double-mechanism for cytotoxic t cells , like helper t-cells are to b cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | and this was the case on antigen presenting cells . so even b cells did this . let me draw a b cell . | what if you get a virus or bacteria or something , and there is no combination of t or b cells that can bind to it ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so the big picture is , if you want to just take 20,000 feet , these cells are very effective at produces -- so when a b cell gets activated , it produces antibodies that kill things that are floating around , right ? once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float arou... | second , how do the antibodies bind to pathogens ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | once a b cell gets activated , it starts producing a bunch of antibodies . these antibodies float around and then they can bond up to viruses , make them ineffective , or essentially tag them for pickup from macrophages or dendritic cells , or other types of phagocytes -- while cytotoxic t cells -- these are used to es... | what is the difference between effector cytotoxic t cells and memory cytotoxic t cells ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | so a b cell -- it has its membrane bound antibody , just like that . it actually has many , many thousands of these . i could keep drawing a bunch of them , but just so you know there 's more than one . | but why so many people still die of cancer each year ? |
when we learned about antigen presenting cells , we learned that they can first digest something -- let me draw a dendritic cell right here -- my best version of a dendritic cell . maybe i should draw them simpler than that . a dendritic cell is a phagocyte and it is an antigen presenting cell . so after phagocytoses s... | you need to die . so this guy gets activated and just like all other activated cells , he starts to divide and divide and divide and divide and differentiate . and he divides and he differentiates into memory , just in case you 're going to need me again , just in case this type of cancer shows up again . | do the effector cells have the ability to divide again ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | that one 's obvious , but as the relationships between organisms get closer the questions get a lot more interesting . what is an animal ? i mean i know you know what animal is , but when you 're looking at shoshana and me here , what clues you weighed in to the fact that we are members of the kingdom animalia ? | why are sponges still considered animals , despite their non-animal characteristics ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | ourselves work pretty much the same no matter what animal we are . while animals have different strategies from moving around and acquiring food , once the food is gotten all animals break it down , turn it into useful energy and distribute nutrients and eliminate waste in pretty similar ways , unless you 're a sponge ... | 1 and many other times it is `` unless you 're a sponge '' which leads me to wonder , why are they even considered animals with such differences ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | that one 's obvious , but as the relationships between organisms get closer the questions get a lot more interesting . what is an animal ? i mean i know you know what animal is , but when you 're looking at shoshana and me here , what clues you weighed in to the fact that we are members of the kingdom animalia ? | are sea cucumbers considered as a animal ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | if i had a shark in the studio with me which thankfully i do not , so i 'll just pretend to be a shark , my fins would apply force to the water which would propel me forward . i have to be careful with this stuff because even though similar body structures like fins or wings or feet can mean animals have a close common... | how does blood replenish a part of the body ( like arms , or legs ) ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | each of those functions is performed by collections of cells that group together in the body to form tissues . there are four primary types of tissues in the human body ; the epithelial tissue , the connective tissue , muscle tissue and nerve tissue . epithelial tissue is formed by cells that bind very closely together... | what type of tissue is your outer skin considered as ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | it can also mean that the animals just evolved similar forms because that 's the best structure for the job . when this happens , it 's called convergent evolution . for example , a tuna , a penguin and a seal are all animals that spend all or a lot of their time in the water . | since all living things originated from one ancestral prokaryote , does that mean that there was first divergent evolution followed by convergent evolution ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | it can also mean that the animals just evolved similar forms because that 's the best structure for the job . when this happens , it 's called convergent evolution . for example , a tuna , a penguin and a seal are all animals that spend all or a lot of their time in the water . | if so , is n't convergent evolution some attempt by nature to return all species to a more sophisticated version of the aforesaid ancestral prokaryote ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | that one 's obvious , but as the relationships between organisms get closer the questions get a lot more interesting . what is an animal ? i mean i know you know what animal is , but when you 're looking at shoshana and me here , what clues you weighed in to the fact that we are members of the kingdom animalia ? | hank says that every animal is derived from the same ancestor.what kind of an animal would that be ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | she has to move around to find stuff to eat , to escape predators , to find mates , to poop on park benches , just like me , except not the pooping on park benches . i mean , the moving around . yeah ! | are you telling me that birds were not around when dino 's roamed the earth ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | two things ; for starters , we 're both moving . locomotion is a really a good sign that an organism is an animal unless you 're a sponge . now i know what you 're thinking though , protists , bacteria and archea , they all move around using flagella and cilia but they also only have one cell . | why is the sea-sponge the only exception ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | epithelial tissue can also produce a slippery fluid to let your organs slide over each other like the membrane that lines the inside of your ribs so that your inflating lungs do n't build up friction as they expand . most [ of ] connective tissue are made up of fibrous strands of collagen , protein and it adds support ... | where the collagen fibres are present ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | instances of convergent evolution can make linking physical structure of an animal to its evolutionary history , a little bit tricky . which is why for a long time nobody really put much stock in comparative anatomy as proof of evolution . that is until thomas henry huxley came along . | how could all the necessary organs be developed at the same time , given that evolution is a gradual process ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | two things ; for starters , we 're both moving . locomotion is a really a good sign that an organism is an animal unless you 're a sponge . now i know what you 're thinking though , protists , bacteria and archea , they all move around using flagella and cilia but they also only have one cell . | what is the big idea about the sea sponge ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | each of those functions is performed by collections of cells that group together in the body to form tissues . there are four primary types of tissues in the human body ; the epithelial tissue , the connective tissue , muscle tissue and nerve tissue . epithelial tissue is formed by cells that bind very closely together... | isn`t there also reproductive tissue ( gametes ) ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | now , plants they could mate by dispersing their seed to the wind or having an insect come by and fertilize them . if land animals did that things would get really messy and gross . some aquatic animals actually do just release their sex cells into their surroundings and cross their friends and presumably close their m... | what kind of vertebrate would a t. rex be ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | two things ; for starters , we 're both moving . locomotion is a really a good sign that an organism is an animal unless you 're a sponge . now i know what you 're thinking though , protists , bacteria and archea , they all move around using flagella and cilia but they also only have one cell . | if the sea sponge is the exception to the rule , why is it still in the same class ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | she has to move around to find stuff to eat , to escape predators , to find mates , to poop on park benches , just like me , except not the pooping on park benches . i mean , the moving around . yeah ! | what is mean by paleontology ? |
man : hi . i want you to meet my friend shoshana . she 's a zebra finch and she 's very good at it . she 's here to help me talk about comparative anatomy which is the stud of similarities and differences between the anatomies of animals . we study comparative anatomy because it helps us learn more about our evolution ... | for instance , which of these two living organisms would you say i 'm more closely related to ? shoshana the finch or gordon the plant ? this is n't a quiz , but sure , it is a quiz , it is the easiest quiz that you will ever take in your life . | i know that a venus flytrap is a plant , but hank says that locomotion is an indicator to whether or not an organism is a plant or not.so is a venus fly trap mre of a plant or an animal ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . | how long does a reed last ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . | what is the reed of the bassoon made of ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | is the wood painted or are the different colours of the wood natural ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | `` fog horn . '' when i started playing the bassoon , immediately something just worked . all the parts came together , and then i was serious , so i went to madison , which was fairly close to my hometown , and i went there to the university of wisconsin for lessons . | why can you only use double reed to blow into the bassoon , why ca n't you use any other material like a metal bite or something like the stick on the mouthpiece of the clarinet ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | what is the history of the bassoon ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | even in the small town , they probably had 20 clarinetists in the band , and every week they had to have challenges for where they would sit , and they would fight about who got the first chair . she said , `` nancy , play the bassoon , `` because we do n't have any . '' i thought , `` well , that 's the instrument tha... | which clef does the bassoon play in ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | even in the small town , they probably had 20 clarinetists in the band , and every week they had to have challenges for where they would sit , and they would fight about who got the first chair . she said , `` nancy , play the bassoon , `` because we do n't have any . '' i thought , `` well , that 's the instrument tha... | is n't the hyperbass flute larger than the bassoon making it the longest and lowest of the woodwinds ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( strings in background ) if i play a low b flat and someone puts their hand over the top , the note wo n't come out . that 's the only note that wo n't come out . ( slow playing ) ( string instruments join ) the bassoon in the high register has a little bit brighter , i hate to use this word , because it 's a little b... | and with a double flute or a triple flute ( both of which are still existent ) would n't you get an interval or a triad ( 3 note chord ) on 1 flute ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | even in the small town , they probably had 20 clarinetists in the band , and every week they had to have challenges for where they would sit , and they would fight about who got the first chair . she said , `` nancy , play the bassoon , `` because we do n't have any . '' i thought , `` well , that 's the instrument tha... | if you have a hard time breathing as in asthma does that mean that you can not play a wind instruments ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( tight , tuneless noise ) does n't sound like a bassoon at all , but when i put it on the end of the bocal here , those silly vibrations have a chance to travel throughout the entire instrument , and that 's what makes the characteristic bassoon sound . i mentioned this is a large instrument , but the tube of the inst... | there are lessons for teaching how to play the instrument , but how in the world does one learn how to produce parts for the instruments ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | there are lots of keys of course , and the bassoon is unique from the other woodwind instruments , the clarinet , the oboe and the flute , because we have a lot of keys that are depressed by using our thumb . ( quiet strings and solemn bassoons ) one , two , three , four , five , six , seven , eight , nine , on the lef... | does the bassoon have more than one opening , or do the notes come out of more than one opening of the instrument ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . | i saw different coloring wiring near the reed does that affect the sound of the basson ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | so all woodwinds have reeds ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | how does one acquire good bassoon reeds ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | there were not solo pieces written for the bassoon by those composers , so it 's wonderful to be part of a large group and play in an orchestra and have all that sound surrounding you . the bassoons always sit right in the middle of the orchestra and it 's been wonderful to play in an orchestra . ( light orchestral mus... | why do the bassoon sit in the middle of the orchestra ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | are there different sizes of reeds ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | what material is a bassoon generally made out of ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . | how does reed thickness change the sound ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | they had two words for it . `` bed post '' and `` sick cow . '' i guess they had another word . | why why did her family call the bassoon a sick cow ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | ( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . | is the wood painted or are the different colours of the wood natural ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | actually that 's the only note that comes out the top of the bassoon . ( strings in background ) if i play a low b flat and someone puts their hand over the top , the note wo n't come out . that 's the only note that wo n't come out . | are most bassoons hand made ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | the bassoons always sit right in the middle of the orchestra and it 's been wonderful to play in an orchestra . ( light orchestral music ) | what 's symphonic music vs band music ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . | what happens when you blow into the reed without pressing any buttons ? |
( energetic strings and percussion ) nancy : this is the bassoon . it 's the largest member of the woodwind family . therefore it plays the lowest notes . it 's also very special because one uses a double reed to play it , and this is the reed . it 's two pieces of bamboo cane tied together with wire and thread . when ... | when i push this key , which is all the way here , then it closes the final hole for the instrument , and that 's why it 's the lowest note . ( low note ) that 's the lowest note on the bassoon , b flat . it is the highest key , but when this key is closed that means the note comes from the entire tube being closed . | a note lower than b-flat ? |
see if you can evaluate this integral right over here . assuming you had a goal at it so let 's work through this together . you probably realized that some of the traditional techniques that we 've already had in our tool kits do n't seem to be directly applicable , u-substitution and others . the key here to realize... | look at the highest degree terms . how many times does negative two x go into x ? let 's going to go negative 1/2 times . | how to find f ( x ) , if f ( x ) ' = tan ( x ) /x ? |
see if you can evaluate this integral right over here . assuming you had a goal at it so let 's work through this together . you probably realized that some of the traditional techniques that we 've already had in our tool kits do n't seem to be directly applicable , u-substitution and others . the key here to realize... | our original integral has simplified to negative 1/2 , and some might argue it 's not simplified but it 's actually much more useful for finding the integral . negative 1/2 plus two over x minus one , d x . now , how do we evaluate this ? | can you factor out a ( -2 ) from the denominator , changing the integral to ( -1/2 ) *integral ( x-5 ) / ( x+1 ) ? |
see if you can evaluate this integral right over here . assuming you had a goal at it so let 's work through this together . you probably realized that some of the traditional techniques that we 've already had in our tool kits do n't seem to be directly applicable , u-substitution and others . the key here to realize... | how many times does negative two x go into x ? let 's going to go negative 1/2 times . negative 1/2 times two is negative one . negative 1/2 times negative two x is this is going to be positive x . | i really don not understant why we divede 2x+2 by negative 2 ? |
see if you can evaluate this integral right over here . assuming you had a goal at it so let 's work through this together . you probably realized that some of the traditional techniques that we 've already had in our tool kits do n't seem to be directly applicable , u-substitution and others . the key here to realize... | our original integral has simplified to negative 1/2 , and some might argue it 's not simplified but it 's actually much more useful for finding the integral . negative 1/2 plus two over x minus one , d x . now , how do we evaluate this ? | anti-dx of 3x+4/x^2+2x+4 is u substitution possible if yes how ? |
see if you can evaluate this integral right over here . assuming you had a goal at it so let 's work through this together . you probably realized that some of the traditional techniques that we 've already had in our tool kits do n't seem to be directly applicable , u-substitution and others . the key here to realize... | our original integral has simplified to negative 1/2 , and some might argue it 's not simplified but it 's actually much more useful for finding the integral . negative 1/2 plus two over x minus one , d x . now , how do we evaluate this ? | when sal solves the integral and gets 2*ln|x-1| , can i just forget the absolute value of x-1 because of the logarithmic rules ? |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.