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[
{
"content": "Answer the following multiple choice question:\n\nOne of the many reasons that the eukaryotic cell can possess so much information in its DNA is the ability to condense coding regions when they are not being expressed. When acting on DNA, which of the following processes will usually lead to a dec... | C |
[
{
"content": "Answer the following multiple choice question:\n\nAn individual presents to the clinic for initial evaluation and establishment of care. The patient was born 46, XY, but identifies as a female. Her preferred pronouns are She/Her. Additionally, she is sexually active with females only. What would d... | D |
[
{
"content": "Answer the following multiple choice question:\n\nAlterations in which neurotransmitters in the brain by pharmacological agents has been shown to influence fatigue development?\n\nA. Acetyl choline and noradrenaline.\nB. Dopamine and acetyl choline.\nC. Glutamate and serotonin.\nD. Dopamine and se... | D |
[
{
"content": "Answer the following multiple choice question:\n\nHow can several different proteins be produced from the same gene?\n\nA. By selective transcription of different parts of the DNA in the gene.\nB. By doubling or tripling the length of the mRNA molecule produced from the primary transcript.\nC. The... | C |
[
{
"content": "Answer the following multiple choice question:\n\nCreatine is synthesized from:\n\nA. amino acids in the muscles.\nB. amino acids in the liver.\nC. amino acids in the kidneys.\nD. creatinine in the kidneys.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"con... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe enzymes of glycolysis are located in the:\n\nA. mitochondrion.\nB. nucleus.\nC. cytoplasm.\nD. lysosomes.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "It looks like you chose \"A,\" which su... | C |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following is true?\n\nA. Increasing the protein intake above 3 grams per kg body mass per day will stimulate muscle growth and increase strength.\nB. Creatine supplements can increase muscle strength and power.\nC. Amino acid supplemen... | B |
[
{
"content": "Answer the following multiple choice question:\n\nMutations are errors in DNA that:\n\nA. are always harmful.\nB. only occur in the presence of carcinogens.\nC. increase tumour growth.\nD. occur spontaneously at a low rate.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following is not an amino acid?\n\nA. Glutamic acid\nB. Aspartic acid\nC. Glutamine\nD. Palmitic acid",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Thank you for your answer! However... | D |
[
{
"content": "Answer the following multiple choice question:\n\nIn a fit of passion, the spectator of a political debate exclaims that “welfare recipients are all lazy.” The spectator’s thought process is an example of:\n\nA. prejudice\nB. discrimination\nC. ethnocentrism\nD. conflict theory",
"role": "user... | A |
[
{
"content": "Answer the following multiple choice question:\n\nAcute Myeloid Leukemia is a malignant cancer in which myeloid progenitor cells become rapidly dividing and retain their semi-stem cell state. Under normal circumstances, which of the following cell types would arise from this stem cell?\n\nA. NK ce... | B |
[
{
"content": "Answer the following multiple choice question:\n\nEndurance training increases the muscle's capacity to:\n\nA. contract faster.\nB. break down phosphocreatine.\nC. burn fat and carbohydrate.\nD. generate energy anaerobically.",
"role": "user"
},
{
"content": "B",
"role": "assistant... | C |
[
{
"content": "Answer the following multiple choice question:\n\nA patient comes into the ER looking extremely agitated. They are acting aggressive, and claiming they need medication or “bad things will happen”. What is the likely state of this patient’s dopamine system?\n\nA. There is decreased dopamine in the ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nSauna use, sometimes referred to as \"sauna bathing,\" is characterized by short-term passive exposure to extreme heat. This exposure elicits mild hyperthermia – an increase in the body's core temperature – that induces a thermoregulatory response ... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe activity of creatine kinase is:\n\nA. increased when intracellular ADP rises.\nB. increased when muscle pH falls below 6.9.\nC. always lower in Type II fibres than Type I fibres.\nD. increased after a period of endurance training.",
"role":... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following factors does not influence success in sport?\n\nA. Ability to tolerate heavy training without succumbing to illness or injury.\nB. Tactics.\nC. The diet.\nD. Ingestion of carnitine during exercise.",
"role": "user"
},
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe son of a bricklayer goes to college and i) becomes a teacher at a medical school, ii) gets promoted to tenured professor, and iii) moves across the country for a new tenured professor position at a different school. Sequentially, this man has e... | C |
[
{
"content": "Answer the following multiple choice question:\n\nWhat is the most likely outcome of this modification?\n\nAn RNA strand that normally produces a transmembrane protein that facilitates potassium entry into muscle cells is modified to produce a different strand. The original strand is as follows:\... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe body compensates for increased environmental temperature by:\n\nA. decreasing salt retention\nB. increasing respiration rate\nC. increasing heart rate\nD. increasing water lost through skin",
"role": "user"
},
{
"content": "A",
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nHow many CO2 and ATP molecules are formed during one complete turn of the tricarboxylic acid cycle (Krebs' cycle)?\n\nA. 2CO2 and 2ATP\nB. 2CO2 and 16ATP\nC. 2CO2 and 12ATP\nD. 2CO2 and 1ATP",
"role": "user"
},
{
"content": "A",
"ro... | D |
[
{
"content": "Answer the following multiple choice question:\n\nType I muscle fibres have the following characteristics:\n\nA. white, glycolytic, slow contracting.\nB. white, oxidative, slow contracting.\nC. red, oxidative, fast contracting.\nD. red, oxidative, slow contracting.",
"role": "user"
},
{
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nPerchloric acid (HClO4) is considered one of the stronger acids in existence. Which of the following statements corresponds most accurately with strong acids?\n\nA. Ka is less than 1\nB. They have an open electron spot on their outer valence rings\... | C |
[
{
"content": "Answer the following multiple choice question:\n\nA local politician starts a task force to reduce prejudice and hate crimes, and the task force provides recommendations for increased access to education, paid community improvement projects open to people from different, possibly conflicted, group... | D |
[
{
"content": "Answer the following multiple choice question:\n\nDuring muscular contraction, interactions between myosin and actin allow for shortening of each sarcomere. In addition to the power stroke, what other process of muscle contraction requires ATP?\n\nA. Tropomyosin-troponin interaction\nB. Myosin-act... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA police officer carries out hundreds of traffic stops every year. When his supervisor is reviewing the officer’s records for the past year, he notices that the officer is equally likely to stop people of various genders, ages, and races. However, ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nIn response to period of extreme psychological trauma, a patient begins experiencing a feeling of detachment. He says, “I felt like it wasn’t real while it was happening. I was just watching myself do it without any control. I mean, you know, I kne... | C |
[
{
"content": "Answer the following multiple choice question:\n\nAs a result of substance abuse throughout adolescence, a young adult suffers from a number of psychological symptoms reflecting diminished executive functioning. Which of the following are likely true of this patient?\nI. Pathological changes to th... | C |
[
{
"content": "Answer the following multiple choice question:\n\nWalking down a street late at night, an adult male pedestrian notices a young female on the ground, not moving. The female is on the opposite side of the street. Crossing the street, the pedestrian notices that the young woman appears both much wea... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA transmembrane protein being isolated in the laboratory is found to be composed of four different amino acids in varying quantity. They are, in order of frequency, glycine, tyrosine, arginine, and isoleucine. Of these amino acids, which is most li... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe β-oxidation of a molecule of palmitic acid, CH3(CH2)14CO2H:\n\nA. yields 8 molecules of acetyl-CoA and some ATP and water.\nB. yields 16 molecules of acetyl-CoA only.\nC. yields carbon dioxide and water only.\nD. does not involve oxygen.",
... | A |
[
{
"content": "Answer the following multiple choice question:\n\nA race car attempting to jump a series of 8 buses is set up on a flat track with a ramp at the end. Engineers assigned to the project have determined that, in order to jump the buses, the car must reach a velocity of 130 km/h. If the distance of th... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhat type of covalent bonds link the amino acids in a protein?\n\nA. Peptide bonds\nB. Hydrogen bonds\nC. Ionic bonds\nD. Glycosidic bonds",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Great job ... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following phases are common to cells undergoing meiosis and mitosis?\nI. G0\nII. phase G2\nIII. phase S phase\n\nA. I only\nB. I and II only\nC. II and III only\nD. I, II, and III",
"role": "user"
},
{
"content": "A",
"... | C |
[
{
"content": "Answer the following multiple choice question:\n\nSauna use, sometimes referred to as \"sauna bathing,\" is characterized by short-term passive exposure to extreme heat. This exposure elicits mild hyperthermia – an increase in the body's core temperature – that induces a thermoregulatory response ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nMyoclonic epilepsy and ragged-red fiber (MERRF) is an extremely rare disorder that affects neuromuscular systems. MERRF results from a mutation in mitochondrial DNA (mtDNA) that impairs protein synthesis, oxygen consumption, and energy production. ... | A |
[
{
"content": "Answer the following multiple choice question:\n\nMg(OH)2 is slowly dissolved in 500 mL of 25 oC water until the solution becomes fully saturated. Which of the following occurs when 10.0 mL of 0.1 M HCl is added?\n\nA. MgCl2 precipitates\nB. Mg(OH)2 precipitates\nC. Ksp for Mg(OH)2 increases\nD. [... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe net production of ATP via substrate-level phosphorylation in glycolysis is:\n\nA. 2 from glucose and 3 from glycogen.\nB. 2 from glucose and 4 from glycogen.\nC. 3 from glucose and 4 from glycogen.\nD. 3 from glucose and 2 from glycogen.",
... | A |
[
{
"content": "Answer the following multiple choice question:\n\nFor very high force contractions lasting 1-2 seconds, the initial energy source is from:\n\nA. Glycolysis.\nB. creatine phosphorylation.\nC. phosphocreatine stores.\nD. ATP stores.",
"role": "user"
},
{
"content": "A",
"role": "assi... | D |
[
{
"content": "Answer the following multiple choice question:\n\nWhich products of ADP degradation increase in concentration in the blood during multiple sprint sports?\n\nA. Ammonia, hypoxanthine and uric acid.\nB. Ammonia, urea and uric acid.\nC. Ammonia, urea and creatinine.\nD. Ammonia, urea and creatine.",
... | A |
[
{
"content": "Answer the following multiple choice question:\n\nOxygen is used:\n\nA. in glycolysis.\nB. in the conversion of fatty acids to acetyl CoA.\nC. in the tricarboxylic acid cycle (Krebs' cycle).\nD. in glycogenolysis.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe maximum sustainable power:\n\nA. usually remains constant during a race.\nB. declines with the distance of the race.\nC. is improved by a high fat diet.\nD. is inversely related to muscle glycogen content.",
"role": "user"
},
{
"con... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe sarcoplasmic reticulum in muscle cells acts as a:\n\nA. store of digestive enzymes.\nB. store of sodium ions.\nC. store of lipid.\nD. store of calcium ions.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nIf a gas occupies 0.1L at 200atm, what will its volume be at 1atm?\n\nA. slightly less than 20L\nB. 20L\nC. slightly more than 20L\nD. 2000L",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Great jo... | A |
[
{
"content": "Answer the following multiple choice question:\n\nIn an SDS-PAGE procedure, the SDS serves as a detergent. Why are the proteins treated with a detergent before being run through the electrophoresis gel?\n\nA. To coat the proteins with a large positive charge, since amino acid side chains may have ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nLiving cells require constant interaction with the outside environment in order to attain the materials they need for survival, as well as to rid themselves of waste. Of the following processes, which uses only the gradient of material to control t... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following molecules does not form part of DNA?\n\nA. Purine\nB. Pyrimidine\nC. Deoxyribose\nD. Amino acid",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Thank you for your response! H... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe complete resynthesis of phosphocreatine after very high intensity exercise normally takes:\n\nA. about 10 seconds.\nB. about 30 seconds.\nC. about 1 minute.\nD. about 4 minutes.",
"role": "user"
},
{
"content": "D",
"role": "ass... | D |
[
{
"content": "Answer the following multiple choice question:\n\nAll of the following are example of sensory, or neural, adaptation EXCEPT:\n\nA. After putting on a shirt, you eventually no longer feel the sensation of the fabric on your back.\nB. After first walking into a crowded room, you no longer are distra... | C |
[
{
"content": "Answer the following multiple choice question:\n\nEmbedded in the inner membrane of the mitochondrion are:\n\nA. the enzymes of the tricarboxylic acid cycle (Krebs' cycle).\nB. the components of the electron transport chain.\nC. glycogen molecules.\nD. triacylglycerol molecules.",
"role": "use... | B |
[
{
"content": "Answer the following multiple choice question:\n\nA scientist using mouse models to determine the response of blood hormones to large levels of glucose in the body discovers a new hormone not previously described. According to his data, this hormone is found both inside and out of cells when carry... | B |
[
{
"content": "Answer the following multiple choice question:\n\nPhosphocreatine in the muscle cell is found in:\n\nA. the mitochondria.\nB. all subcellular compartments.\nC. the sarcolemma.\nD. the cytoplasm.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Than... | D |
[
{
"content": "Answer the following multiple choice question:\n\nWhile working on a scene for an action movie, a sound technician is given the task of changing the frequency of a gunshot to more accurately reflect the normal speed of sound. The gunshot came from an actor inside a car traveling 108 km/h, and it w... | C |
[
{
"content": "Answer the following multiple choice question:\n\nTriacylglycerides consist of I. A ribose backbone II. a glycerol backbone III. three phosphodiester linkages IV. three ester linkages\n\nA. I and III\nB. II only\nC. II and III\nD. II and IV",
"role": "user"
},
{
"content": "A",
"ro... | D |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following statements identifies a chemically based sensory system?\nI. Gustatory system\nII. Auditory system\nIII. Olfactory system\n\nA. I only\nB. II only\nC. III only\nD. I and III only",
"role": "user"
},
{
"content": "... | D |
[
{
"content": "Answer the following multiple choice question:\n\nMuscle lactate production increases when:\n\nA. oxygen is readily available.\nB. pyruvate cannot be formed from glucose breakdown.\nC. the pH of the muscle falls.\nD. glycolysis is activated at the onset of exercise.",
"role": "user"
},
{
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nIf the mean rate of oxygen consumption of a male athlete during a training session is 2 l/min, then his rate of energy expenditure is approximately:\n\nA. 400 kJ/min.\nB. 200 kJ/min.\nC. 80 kJ/min.\nD. 40 kJ/min.",
"role": "user"
},
{
"... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA common heart defect in humans is a ventricular septal defect, in which there is a hole in the septum between the right and left ventricles. If a patient were to have this defect, which of the following statements is correct?\n\nA. The percentage ... | D |
[
{
"content": "Answer the following multiple choice question:\n\nNew York City is home to over 7 million inhabitants from a diverse range of backgrounds. Although the city itself has characteristics, there are several smaller areas, usually congregations of people from the same nationality, who adhere to customs... | A |
[
{
"content": "Answer the following multiple choice question:\n\nA psychologist conducts an experiment in which subjects are asked to learn a series of “facts” which are actually statements that have been fabricated by the research team. The subjects consist of undergraduate students at the university where the ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe low intake of carbohydrate in the diet:\n\nA. does not influence exercise performance in events lasting less than 10 minutes.\nB. affects the resting muscle pH.\nC. may impair high intensity exercise performance.\nD. results in greater reliance... | C |
[
{
"content": "Answer the following multiple choice question:\n\nThe most rapid method to resynthesize ATP during exercise is through:\n\nA. glycolysis.\nB. phosphocreatine breakdown.\nC. tricarboxylic acid cycle (Krebs' cycle).\nD. glycogenolysis.",
"role": "user"
},
{
"content": "A",
"role": "a... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe lining of the digestive tract and the respiratory tract develops from which germ layer? I. Endoderm II. Mesoderm III. Ectoderm\n\nA. I only\nB. II only\nC. III only\nD. I and II",
"role": "user"
},
{
"content": "D",
"role": "ass... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhen preparing for the MCAT exam, a student begins studying electrochemical cells. He learns the basic information needed by actively relating it to previous information he has learned about redox reactions. He then builds from that knowledge to le... | D |
[
{
"content": "Answer the following multiple choice question:\n\nProsthetic groups are:\n\nA. required by all enzymes in the cell.\nB. loosely bound to enzymes via hydrogen bonds.\nC. sites on the enzyme molecule that permit allosteric modification of enzyme activity.\nD. tightly bound to enzymes and are require... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA wrestler attempting to lose weight for a match in December commits himself to dropping 30lbs over 2 months. Which of the following is NOT a good method to restrict his caloric intake?\n\nA. Study at a health smoothie store instead of a coffee sho... | D |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following processes is not used to modify protein structure after translation has occurred?\n\nA. Lipidation.\nB. Attachment of more amino acids via peptide bonds.\nC. Glycosylation.\nD. Phosphorylation.",
"role": "user"
},
{
... | B |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following is thought to be implicated in the development of peripheral muscle fatigue during multiple sprint activities?\n\nA. An accumulation of inorganic phosphate.\nB. Development of hyperosmolality in the muscles.\nC. An excess of ... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following promotes glucose and amino acid uptake by muscle?\n\nA. Adrenaline\nB. Insulin\nC. Glycogen\nD. Cortisol",
"role": "user"
},
{
"content": "D",
"role": "assistant"
},
{
"content": "It looks like you sel... | B |
[
{
"content": "Answer the following multiple choice question:\n\nA fundamental cause of fatigue in high intensity exercise is:\n\nA. a fall in the cell concentration of ADP.\nB. inhibition of ATP production.\nC. failure of the ATP supply to match the demand.\nD. lack of skill.",
"role": "user"
},
{
"... | C |
[
{
"content": "Answer the following multiple choice question:\n\nWomen's world record performances have improved rapidly in recent years mainly because:\n\nA. women have evolved a greater muscle mass.\nB. women can now run faster than men.\nC. women have started training at an earlier age.\nD. more women are now... | D |
[
{
"content": "Answer the following multiple choice question:\n\nFatty acids are transported into the mitochondria bound to:\n\nA. thiokinase.\nB. coenzyme A (CoA).\nC. acetyl-CoA.\nD. carnitine.",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Thank you for your... | D |
[
{
"content": "Answer the following multiple choice question:\n\nDuring DNA replication, mistakes are coded into the leading strand about once every 100,000/1 million copies. This DNA is subject to proofreading by several mechanisms. If a mistake is noted and the incorrect base is removed shortly following the t... | A |
[
{
"content": "Answer the following multiple choice question:\n\nA teacher sets up a reward system for her elementary school students. At the end of each day, she gives a sticker to each student who showed up on time that morning. At the end of each week, she gives a sticker to any student who got above a 90% on... | C |
[
{
"content": "Answer the following multiple choice question:\n\nA hedonic teenager of wayward morals, in one night, sequentially i) has consensual sexual intercourse with his sister, ii) leaves no tip at the bar, iii) has non-censual sexual relations with an unknown woman, and iv) vomits on the steps to the doo... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe descending loop of Henle of the nephron of the kidney is permeable to which of the following substances?\n\nA. Na+\nB. H2O\nC. K+\nD. Cl-",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "It look... | B |
[
{
"content": "Answer the following multiple choice question:\n\nEach of the following is an example of the transmission of knowledge through symbolic culture EXCEPT:\nI. A young macaque monkey learning to rinse off food in the ocean from an older monkey, even when the food is not covered in dirt or sand.\nII. A... | A |
[
{
"content": "Answer the following multiple choice question:\n\nWhich of the following is true about any system that undergoes a reversible thermodynamic process?\n\nA. There are no changes in the internal energy of the system.\nB. The temperature of the system remains constant during the process.\nC. The entro... | C |
[
{
"content": "Answer the following multiple choice question:\n\nBlue light of wavelength 480 nanometers is most strongly reflected off a thin film of oil on a glass slide when viewed near normal incidence. Assuming that the index of refraction of the oil is 1.2 and that of the glass is 1.6, what is the minimum ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe best type of laser with which to do spectroscopy over a range of visible wavelengths is\n\nA. a dye laser\nB. a helium-neon laser\nC. an excimer laser\nD. a ruby laser",
"role": "user"
},
{
"content": "A",
"role": "assistant"
... | A |
[
{
"content": "Answer the following multiple choice question:\n\nProtons used in cancer therapy are typically accelerated to about 0.6c . How much work must be done on a particle of mass m in order for it to reach this speed, assuming it starts at rest?\n\nA. 0.25mc^2\nB. 0.60mc^2\nC. 0.67mc^2\nD. 1.25mc^2",
... | A |
[
{
"content": "Answer the following multiple choice question:\n\nA rod measures 1.00 m in its rest system. How fast must an observer move parallel to the rod to measure its length to be 0.80 m?\n\nA. 0.50c\nB. 0.60c\nC. 0.70c\nD. 0.80c",
"role": "user"
},
{
"content": "A",
"role": "assistant"
}... | B |
[
{
"content": "Answer the following multiple choice question:\n\nAt 20°C, a pipe open at both ends resonates at a frequency of 440 hertz. At what frequency does the same pipe resonate on a particularly cold day when the speed of sound is 3 percent lower than it would be at 20°C ?\n\nA. 414 Hz\nB. 427 Hz\nC. 433 ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nUnpolarized light is incident on a pair of ideal linear polarizers whose transmission axes make an angle of 45q with each other. The transmitted light intensity through both polarizers is what percentage of the incident intensity?\n\nA. 100%\nB. 75... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA resistor in a circuit dissipates energy at a rate of 1 W. If the voltage across the resistor is doubled, what will be the new rate of energy dissipation?\n\nA. 0.25 W\nB. 0.5 W\nC. 1 W\nD. 4 W",
"role": "user"
},
{
"content": "A",
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA uniform solid disk starts from rest and rolls down an inclined plane without slipping. After some time, what fraction of the disk’s total kinetic energy is rotational kinetic energy?\n\nA. 1/4\nB. 1/3\nC. 1/2\nD. 2/3",
"role": "user"
},
{... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe primary source of the Sun’s energy is a series of thermonuclear reactions in which the energy produced is c^2 times the mass difference between\n\nA. two hydrogen atoms and one helium atom\nB. four hydrogen atoms and one helium atom\nC. six hyd... | B |
[
{
"content": "Answer the following multiple choice question:\n\nTwo spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceshi... | B |
[
{
"content": "Answer the following multiple choice question:\n\nAccording to the BCS theory, the attraction between Cooper pairs in a superconductor is due to\n\nA. the weak nuclear force\nB. the strong nuclear force\nC. vacuum polarization\nD. interactions with the ionic lattice",
"role": "user"
},
{
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nThe suspension cable of a 1,000 kg elevator snaps, sending the elevator moving downward through its shaft. The emergency brakes of the elevator stop the elevator shortly before it reaches the bottom of the shaft. If the elevator fell a distance of ... | C |
[
{
"content": "Answer the following multiple choice question:\n\nAt the present time, the temperature of the universe (i.e., the microwave radiation background) is about 3 K. When the temperature was 12 K, typical objects in the universe, such as galaxies, were\n\nA. one-quarter as distant as they are today\nB. ... | A |
[
{
"content": "Answer the following multiple choice question:\n\nThe negative muon, mu^-, has properties most similar to which of the following?\n\nA. Electron\nB. Meson\nC. Photon\nD. Boson",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Great job! Your answer ... | A |
[
{
"content": "Answer the following multiple choice question:\n\nA 10 kg box slides horizontally without friction at a speed of 1 m/s. At one point, a constant force is applied to the box in the direction of its motion. The box travels 5 m with the constant force applied. The force is then removed, leaving the b... | C |
[
{
"content": "Answer the following multiple choice question:\n\nSound waves moving at 350 m/s diffract out of a speaker enclosure with an opening that is a long rectangular slit 0.14 m across. At about what frequency will the sound first disappear at an angle of 45q from the normal to the speaker face?\n\nA. 50... | D |
[
{
"content": "Answer the following multiple choice question:\n\nAn organ pipe, closed at one end and open at the other, is designed to have a fundamental frequency of C (131 Hz). What is the frequency of the next higher harmonic for this pipe?\n\nA. 44 Hz\nB. 196 Hz\nC. 262 Hz\nD. 393 Hz",
"role": "user"
... | D |
[
{
"content": "Answer the following multiple choice question:\n\nExcited states of the helium atom can be characterized as para- (antiparallel electron spins) and ortho- (parallel electron spins). The observation that an ortho- state has lower energy than the corresponding para- state can be understood in terms ... | B |
[
{
"content": "Answer the following multiple choice question:\n\nThe quantum efficiency of a photon detector is 0.1. If 100 photons are sent into the detector, one after the other, the detector will detect photons\n\nA. exactly 10 times\nB. an average of 10 times, with an rms deviation of about 0.1\nC. an averag... | D |
[
{
"content": "Answer the following multiple choice question:\n\nA single-electron atom has the electron in the l = 2 state. The number of allowed values of the quantum number m_l is\n\nA. 1\nB. 2\nC. 3\nD. 5",
"role": "user"
},
{
"content": "A",
"role": "assistant"
},
{
"content": "Your ... | D |
[
{
"content": "Answer the following multiple choice question:\n\nUnder certain conditions, a beam of electrons impinging on a crystal surface will diffract and a scattering pattern of the beam can be obtained. What is the approximate kinetic energy of the electrons needed in order to see the pattern? (Assume the... | C |
[
{
"content": "Answer the following multiple choice question:\n\nAn astronomer observes a very small moon orbiting a planet and measures the moon’s minimum and maximum distances from the planet’s center and the moon’s maximum orbital speed. Which of the following CANNOT be calculated from these measurements?\n\n... | A |
[
{
"content": "Answer the following multiple choice question:\n\nA 3-microfarad capacitor is connected in series with a 6-microfarad capacitor. When a 300-volt potential difference is applied across this combination, the total energy stored in the two capacitors is\n\nA. 0.09 J\nB. 0.18 J\nC. 0.27 J\nD. 0.41 J",... | A |
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