context stringlengths 545 71.9k | questionsrc stringlengths 16 10.2k | question stringlengths 11 563 |
|---|---|---|
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | it can release molecules like preference so to release this preference which will essentially cause gaps or holes to form in the membrane of the cell that needs to die and it could release other things like granzymes that can go in and essentially cause this thing to kill itself . the whole point of this video is to ap... | why are n't some cancers curable ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this is a cancer cell and a cancer cell because it had mutations are going to produce , it 's going to produce some weird proteins . these cancer cells are going to produce some weird proteins . every cell with a nucleus in your body and that 's pretty much every cell except for red blood cells has mhc one complexes . | do the 'weird ' cells somehow evade detection ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | if cells ca n't express mhci , then how can cytotoxic cells respond to the threat ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | : everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . | when a b cell internalizes a pathogen , are all parts of the pathogen attached to mhcii complexes ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | these cancer cells are going to produce some weird proteins . every cell with a nucleus in your body and that 's pretty much every cell except for red blood cells has mhc one complexes . the whole point of the mhc one complex is to bind two shady things that are produced inside of the cell , and then present them to th... | is it fair to say that pretty much all epitopes are presented on a b cell after exposure to a virus or bacteria ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let me draw it like this . this is effector cytotoxic t cell . its receptor , its variable portion is the one that 's compatible with this antigen that 's being presented right over here . | what happens if the viruses duplicate before a cytotoxic cell gets to it ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | what it is going to affect , it is going to start binding two things that are presenting the same antigen as part of their mr on top of their mhc one complex . this character right over here , so it 's presenting that same antigen on this mhc one complex . remember , the variable portions need to match up . | what is the antigen exactly ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let 's think about what happens when shady things start to happen inside the cell . for example it might not even be due to a virus or due to some type of bacteria could be the cell itself is gone awry . let 's say that this right over here is a cancer cell . | is it the epitope of the bacteria ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | why do t cells produce cytokines if they already activate the b cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | does the cytotoxic t cells have to be activated by t helper cells to be replicated and differentiated to their effector and memory cytotoxic t cells respectively ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | do cytotoxic t-cells have the ability to bind antigens to mhc i in the inside of themselves when infected or genetically mutated ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | can white blood cells get infected by pathogens ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this is a cancer cell and a cancer cell because it had mutations are going to produce , it 's going to produce some weird proteins . these cancer cells are going to produce some weird proteins . every cell with a nucleus in your body and that 's pretty much every cell except for red blood cells has mhc one complexes . ... | can they hijack and take over the white blood cell and attack other cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | it 's starting to multiply like crazy . this is a cancer cell and a cancer cell because it had mutations are going to produce , it 's going to produce some weird proteins . these cancer cells are going to produce some weird proteins . | does each cell produce its own mch ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let 's say that this is an effector cytotoxic t cell and actually let me draw in a little bit different . let me draw it like this . this is effector cytotoxic t cell . | if so , is it produced like any other organelle , like dna is expressed in certain ways to make the mch proteins or do mch complexes have their own dna , like mitochondria ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let me do it this way , presented on the surface . this exact process can happen again . | is killing itself the process of apoptosis ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | for example a cell like this all ready , so that 's its nucleus . it 's already been infected by some virus so the virus has hijacked the cell 's replication machinery in order to replicate itself . the proper immune response is hey look , i 'm a virus making machine . | how does the infected cell know that it has a virus ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let me draw it like this . this is effector cytotoxic t cell . its receptor , its variable portion is the one that 's compatible with this antigen that 's being presented right over here . | what is happening with cytotoxic t cell when cancer cell spreads throughout the body and people die because of it , is it not working ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | they 're going to bind to mhc one complexes . pieces of the virus are going to bind to mhc one complexes and then they 're going to be presented on the surface . let me do it this way , presented on the surface . this exact process can happen again . | what happens after a debris of a virus is presented on the surface ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | for example a cell like this all ready , so that 's its nucleus . it 's already been infected by some virus so the virus has hijacked the cell 's replication machinery in order to replicate itself . the proper immune response is hey look , i 'm a virus making machine . | how can a virus hijack the cell replication machinery ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | it starts releasing all of these molecules . it can release molecules like preference so to release this preference which will essentially cause gaps or holes to form in the membrane of the cell that needs to die and it could release other things like granzymes that can go in and essentially cause this thing to kill it... | what is preference and a grandzyme ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this would be helper t cell right over here . this is a helper , t helper cell . when it recognizes then it will start dividing into memory helper t cells and effector helper t cells . | so is there is a mhc 1 that is regocnized by the cytotoxic t helper cell as not foreign so that it wo n't kill it ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | what do those do ? we 've also , if there 's mhc two , there 's probably an mhc one complex . what does the mhc one complex do ? | or does it have to be bound to peptides of pathogen to be called mhc i ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | what does the mhc one complex do ? we can recognize shady things that are happening outside of cells but do n't shady things sometimes happen inside cells and how does our immune system respond to that ? actually as you can imagine all of those things will be answered in the rest of this video . | if cancer cells are presenting antigens for the body 's immune system to attack , then why are cancers so deadly ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | what it is going to affect , it is going to start binding two things that are presenting the same antigen as part of their mr on top of their mhc one complex . this character right over here , so it 's presenting that same antigen on this mhc one complex . remember , the variable portions need to match up . | would the bit of protein/peptide that bonds to the mhc i and travels to the surface be considered an antigen too ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | it 's already been infected by some virus so the virus has hijacked the cell 's replication machinery in order to replicate itself . the proper immune response is hey look , i 'm a virus making machine . i should kill myself . | what do we look for when we try to find a suitable organ donor ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | an mhc two complex and then that will go to the surface , that will go to the membrane of the cell to present itself . that 's an mhc two complex . it has little bit of the little piece of this shady thing out here we call this little shady piece , this is an antigen presenting cell here . | how does the mhc 1 complex differentiate between normal and abnormal protein ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | can some problem occur with the cytotoxic t cells and make them kill normal cells instead of `` bad '' cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | also , what is the final stage for the bits of the antigens ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | so cytotoxic t cells kill cancer cells and cells which are infected with viruses ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | we had already talked about what happens when you identify shady things outside of the cells and then how you can kind of bring them in and then present them and then use that to further activate the immune response . now we 're talking about identifying shady things inside the cells . those get presented by mhc one co... | so let me get this straight , mhc i complexes preexist inside all our eukaryotic cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | or are they only produced when viruses infiltrate the cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let me draw it like this . this is effector cytotoxic t cell . its receptor , its variable portion is the one that 's compatible with this antigen that 's being presented right over here . | is the whole body each cell has mhc1 , but cytotoxic t - cell only attack cells that have strange protein ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | do tc cells need to be activated before they can release perforins to kill infected cells , or is that just a mechanism to make more tc cells and increase the immune response ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | it will wreck some of the antigens that are being produced inside by the viruses . they 're going to bind to mhc one complexes . pieces of the virus are going to bind to mhc one complexes and then they 're going to be presented on the surface . | how do the mhc-i complexes get a part of the virus ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | did helper t cells also require for activation of memory b cell `` ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | do the cytotoxic t cells respond to the helper t cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this would be helper t cell right over here . this is a helper , t helper cell . when it recognizes then it will start dividing into memory helper t cells and effector helper t cells . | where does helper t cell and cytotoxic t cell come from ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this would be helper t cell right over here . this is a helper , t helper cell . when it recognizes then it will start dividing into memory helper t cells and effector helper t cells . | and the helper t cell that attache to the b cel that have been activated by a virus have to be bonded to a dendritic cell or macrophages 's mhc before ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this would be helper t cell right over here . this is a helper , t helper cell . when it recognizes then it will start dividing into memory helper t cells and effector helper t cells . | can helper t cell directly attach to certain pathogen ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | what do those do ? we 've also , if there 's mhc two , there 's probably an mhc one complex . what does the mhc one complex do ? | is there any way to stimulate/activate ctl 's without mhc i ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | do memory cytotoxic t-cells also bind to mhc i complexes as well as effector t-cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | are vaccines of different kinds somehow relate with the memory t cells of the immune system ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | i should kill myself . it will wreck some of the antigens that are being produced inside by the viruses . they 're going to bind to mhc one complexes . | are pathogens the same with antigens ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | for example a cell like this all ready , so that 's its nucleus . it 's already been infected by some virus so the virus has hijacked the cell 's replication machinery in order to replicate itself . the proper immune response is hey look , i 'm a virus making machine . | is there any of that virus ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the theory is that this is kind of a double handshake process . once again this is what 's occurring outside of cells . when we found stuff outside of cells , we engulf them and then we presented them on mhc two complexes . now you 're probably thinking well , i mean that 's the outside of cells but there 's mhc two , ... | why there is downregulation of mhc-1 occur on tumour cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | are helper t cells required to activate the cytotoxic t cells , or do the cytotoxic t cells get activated themselves upon contact with infected cells ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | the antigen binding sites of only nonmemory cells undergo variation and those sites created after a confrontation remain , is that so ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | these cancer cells are going to produce some weird proteins . every cell with a nucleus in your body and that 's pretty much every cell except for red blood cells has mhc one complexes . the whole point of the mhc one complex is to bind two shady things that are produced inside of the cell , and then present them to th... | do cells continuously present mhc complexes , and if the complex contains an antigen , it activates this whole thing , or does the cell present mhc complexes only when their is an antigen to present ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | the cytotoxic t cell will begin to replicate once again like other types of immune cells is going to replicate into the memory cells just in case this type of thing shows up 10 years in the future and also the effector themselves . this is memory and also effector cells , effector cytotoxic t cells . as we always know ... | cytotoxic t cells would be highly specific as well right ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | we 've seen as especially if this is a b cell then a helper t cell that it also has a variable portion that corresponds to this specific antigen . this would be helper t cell right over here . this is a helper , t helper cell . | in that case , would n't it take a while for a particular cytotoxic t cell to bind to mhci-antigen complexes , and hence the response would be delayed ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | let me draw it like this . this is effector cytotoxic t cell . its receptor , its variable portion is the one that 's compatible with this antigen that 's being presented right over here . | so the initial , inactivated tc cell does no killing ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | this would be helper t cell right over here . this is a helper , t helper cell . when it recognizes then it will start dividing into memory helper t cells and effector helper t cells . | how t-helper `` decide '' to what cell to present antigen ( b-cell or t-cytotoxic ) ? |
: everything we 've discussed so far involved recognizing and tagging or engulfing shady things that were found outside of cells . we 've seen things like a b cell . a b cell has its membrane bound antibodies . maybe one of these might recognize something shady out in the outside of the cell and of course this part ov... | what it is going to affect , it is going to start binding two things that are presenting the same antigen as part of their mr on top of their mhc one complex . this character right over here , so it 's presenting that same antigen on this mhc one complex . remember , the variable portions need to match up . | could apc present gobbled antigen with mhc-i ? |
in this video , we 're gon na begin the derivation of the lc natural response , the response of an inductor capacitor circuit . this is a difficult derivation , but it really pays off in the end . there 's a really fun surprise at the end , and that is , this is where sine waves are born . we 're gon na end up with si... | so we 'll start by writing an expression for our capacitor , and there 's a little sign flip that happens here , so we got ta be a little bit careful . so if i have v on a capacitor , and i in a capacitor , i would say that i capacitor equals c , dv , dt . now if we look here , vc is the same as v here , positive sign ... | is it correct to say that in this lc circuit , the capacitor is also the voltage source ? |
in this video , we 're gon na begin the derivation of the lc natural response , the response of an inductor capacitor circuit . this is a difficult derivation , but it really pays off in the end . there 's a really fun surprise at the end , and that is , this is where sine waves are born . we 're gon na end up with si... | this is the important minus sign to bring along . okay so let 's do the voltage across the inductor , the inductor voltage is same variable v , is l , di , dt . so there 's no extra minus sign here . | would it be different if we have a separate voltage source instead ? |
in this video , we 're gon na begin the derivation of the lc natural response , the response of an inductor capacitor circuit . this is a difficult derivation , but it really pays off in the end . there 's a really fun surprise at the end , and that is , this is where sine waves are born . we 're gon na end up with si... | now since i 'm not used to having integrals inside equations , i 'd rather have derivatives , since i have some experience with differential equations , let 's , if we take a derivative of this whole equation , so here 's what we 're gon na do . we 're gon na take a derivative with respect to time , of this whole thing... | 2nd derivative for the numerator is d^2i but in the denominator it is dt^2 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | we do n't have an x squared term here . but i 'm going to leave some space for it , just so that we can align everything in the proper place when we actually do the division . so x to the third plus nothing to the x squared power plus 5x minus 4 . | why did you leave the space ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | so then we have plus 5x . and then we have the 0-th degree terms , or the constant terms . we have a positive 1 and a negative 5 . | how do you handle a polynomial division when the initial terms do n't divide evenly ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | so we have a place for the third power , the second power , the first power , and the 0-th power . so now let 's just do a little bit of algebraic long division . let 's look at the highest-degree term . | is synthetic division the same as polynomial long division ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | 1 times negative x is negative x . 1 times 1 is 1 . and now we want to subtract this from that , or we want to add the opposite . | do you also distribute the `` 1 '' in the last step ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | why does x^2 go into x^3 x times ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . | what does the word polynomials mean ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | do n't you need a placer after x^3 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | so we have a place for the third power , the second power , the first power , and the 0-th power . so now let 's just do a little bit of algebraic long division . let 's look at the highest-degree term . | can you use long division for polynomials where the divisor is a higher degree then the dividend ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and now let 's look at the highest-degree terms . x squared goes into x squared exactly one time . it 's the same thing , so we put a plus 1 . | how to we find the least polynomial to be added to the dividend to make it exactly divisible by the divisor ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | this will cancel with that . and we 're just going to be left with the numerator over here , so plus 5x minus 5 . and now we can try to simplify it . | could the remainder also be written as r 5x-5 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | why is x+1+ ( 5x-5 ) / ( x^2-x-1 ) considered more simplified than ( x^3+5x-4 ) / ( x^2-x+1 ) ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | if i was given a polynomial x^100 and divide it by x^2-x+1 what method should i use to find out the remainder ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and to do that , let 's just distribute this whole trinomial times each of these terms . when we do the first term , we have x squared minus x plus 1 times x . so that 's going to be x times x squared , which is x to the third ; x times negative x , which is negative x squared ; x times 1 , which is plus x . | if i am dividing a polynomial by an expression of the form x^2+a , where a is a constant , so there is no x term , what happens at the end of the division when there is still a term that has not been divided ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | this term right here , the highest-degree term here , is now higher than the highest-degree term that you 're going to try to divide into . so we have a remainder . so the answer to this is -- this expression right over here is equal to x plus 1 plus the remainder , plus 5x minus 5 -- whatever the remainder is -- divid... | so when you have a remainder of zero does your problem stay as zero ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | this term right here , the highest-degree term here , is now higher than the highest-degree term that you 're going to try to divide into . so we have a remainder . so the answer to this is -- this expression right over here is equal to x plus 1 plus the remainder , plus 5x minus 5 -- whatever the remainder is -- divid... | is it possible to divide past the remainder ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | what if i have x^98 in there , do i need to leave 98 blank spaces ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . | so if i have a denominator with 4 expressions , i will leave two space between x^3 and 5x ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | 1 times negative x is negative x . 1 times 1 is 1 . and now we want to subtract this from that , or we want to add the opposite . | why didnt sal used x raised to 1 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and then we have negative 4 minus 1 is negative 5 . now , you might be tempted to keep dividing , but you ca n't any more . this term right here , the highest-degree term here , is now higher than the highest-degree term that you 're going to try to divide into . so we have a remainder . | what if you are dividing two polynomials and the largest term of the dividend is larger than that of the divisor ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | at a about ca n't sal divide a five from 5x-5 and factor x^2-x+1 and simplify ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | why did sal only divide the x^2 into the x^3 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | should n't the whole ( x^2-x+1 ) be divided into x^3 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | like x^2+8x+5/x+5 do i add it in the algebraic long division sequence ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and then you have 1 times x squared is x squared . 1 times negative x is negative x . 1 times 1 is 1 . and now we want to subtract this from that , or we want to add the opposite . | what happens when you have a leading coefficient higher then 1 as the divisor ; 2x^4-3x^3+x+1 divided by 2x^2+x+1 and you end up with a remainder ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | so x to the third plus nothing to the x squared power plus 5x minus 4 . so we have a place for the third power , the second power , the first power , and the 0-th power . so now let 's just do a little bit of algebraic long division . | how can you divide/simplify polynomial quotients when the denominator has a higher power than the numerator ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and then we can multiply this whole thing times this thing . now , this is the same as the denominator here . so it 'll cancel out . this will cancel with that . | wait , how did sal cancel out the denominator ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | 1 times 1 is 1 . and now we want to subtract this from that , or we want to add the opposite . and to add the opposite , we can just multiply each of these terms by negative 1. x squared becomes negative x squared . | while dividing why are the powers arranged in descending order ... i mean cant we divide by arranging them in any way we want ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | we 're not adding anything to it there . you could view there 's a 0 here . so let 's bring down the minus 4 . | how much wood could a wood chuck chuck ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | so x to the third plus nothing to the x squared power plus 5x minus 4 . so we have a place for the third power , the second power , the first power , and the 0-th power . so now let 's just do a little bit of algebraic long division . | what if the divisor is a lower power than the dividend ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | and we multiply x times this entire thing . x times x squared is x to the third . x times negative x is negative x squared . x times 1 is positive x . and now we want to subtract this whole expression from that whole expression . | if you do x^3+5x-4/x^2-x+1 wouldnt that be x-5-4 therefore x-9 ? |
we divide x to the third plus 5x minus 4 by x minus x -- actually , i think this is supposed to be an x squared . let me correct it . so we 're going to divide x to the third plus 5x minus 4 by x squared minus x plus 1 . and just to see the different ways we can rewrite this . we could rewrite this as x to the third pl... | so we have a place for the third power , the second power , the first power , and the 0-th power . so now let 's just do a little bit of algebraic long division . let 's look at the highest-degree term . | where are the exercises for algebraic long division ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | today , we live in a time where cosmology , the study of the early universe , is very precise in terms of what we know about the very early universe , the first few minutes after the universe began , and what we know about the evolution of the universe since . we 're still surrounded in this bath of light that 's left ... | what created the energy in the big bang ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | today , we live in a time where cosmology , the study of the early universe , is very precise in terms of what we know about the very early universe , the first few minutes after the universe began , and what we know about the evolution of the universe since . we 're still surrounded in this bath of light that 's left ... | is the big bang really true or is it just a theory ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | today , we live in a time where cosmology , the study of the early universe , is very precise in terms of what we know about the very early universe , the first few minutes after the universe began , and what we know about the evolution of the universe since . we 're still surrounded in this bath of light that 's left ... | how did the big bang form from nothing ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | today , we live in a time where cosmology , the study of the early universe , is very precise in terms of what we know about the very early universe , the first few minutes after the universe began , and what we know about the evolution of the universe since . we 're still surrounded in this bath of light that 's left ... | are there any compelling counter-theories besides the big bang theory ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | is it really the case that the universe existed , it just looked very different , and a small patch of space itself began to expand and grow and evolve , and that that 's what we mean by the big bang ? this moment when a little , tiny piece of a greater megaverse or multiverse began to expand into our universe , our ob... | i have a question that why did the tiny mass of energy in which the whole universe was stored explode ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | are we just confused about that ? is it really the case that the universe existed , it just looked very different , and a small patch of space itself began to expand and grow and evolve , and that that 's what we mean by the big bang ? this moment when a little , tiny piece of a greater megaverse or multiverse began to... | i mean that if that mass was infinitely dense and it had enough gravity to overcome the forces of repulsion between the particles then why did it inflate ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | today , we live in a time where cosmology , the study of the early universe , is very precise in terms of what we know about the very early universe , the first few minutes after the universe began , and what we know about the evolution of the universe since . we 're still surrounded in this bath of light that 's left ... | why does big bang theory exist ? |
( upbeat music ) janna : i think the real reason i got interested in astrophysics was to understand the big bang . that was the first really profound question that i realized was answerable , at least in principle , through mathematics and through scientific observations and that kind of discovery , and that you could ... | today , we live in a time where cosmology , the study of the early universe , is very precise in terms of what we know about the very early universe , the first few minutes after the universe began , and what we know about the evolution of the universe since . we 're still surrounded in this bath of light that 's left ... | when they say that the big bang happened 13.8 billion years ago , is that assertion based on the current rate of expansion of our universe ? |
you 've probably heard the term acid used in your everyday life . but what we want to do in this video is get a more formal definition of an acid . and particular , we 'll focus on the one that is most typically used . although we 'll see future videos that there 's other fairly common definitions of acids used as wel... | and so this is actually the conjugate acid of h2o . conjugate acid of water , of a water molecule . and as we 'll see , water can act as an acid or a base . but this this gives you a kind of a baseline of at least the bronsted-lowry definition of acids and bases . | why water act as a base and acid ? |
you 've probably heard the term acid used in your everyday life . but what we want to do in this video is get a more formal definition of an acid . and particular , we 'll focus on the one that is most typically used . although we 'll see future videos that there 's other fairly common definitions of acids used as wel... | but the one that we 're going to focus on is the bronsted-lowry definition . the bronsted-lowry definition of acids and bases . and this is a picture of bronsted . | are there more kinds of acids & bases ? |
you 've probably heard the term acid used in your everyday life . but what we want to do in this video is get a more formal definition of an acid . and particular , we 'll focus on the one that is most typically used . although we 'll see future videos that there 's other fairly common definitions of acids used as wel... | but the one that we 're going to focus on is the bronsted-lowry definition . the bronsted-lowry definition of acids and bases . and this is a picture of bronsted . | are all acids and bases about gaining or loosing hydrogen ( proton ) or hydroxide ( electron ) ? |
you 've probably heard the term acid used in your everyday life . but what we want to do in this video is get a more formal definition of an acid . and particular , we 'll focus on the one that is most typically used . although we 'll see future videos that there 's other fairly common definitions of acids used as wel... | it also grabbed those two electrons right over there , so it gained an extra electron . it now has a negative charge . it is now the chloride anion . | at around sal said that the chlorine was an anion with anegative charge , but if the atom has 8 electrons wo n't the ion become an atom with no net charge or a neutral charge ? |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.