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Question
Uncouplers are molecules that allow protons to leak back into the mitochondrial matrix so that the proton gradient between the intermembrane space and the matrix of the mitochondria is insufficient to produce ATP. Explain how 2,4-dinitrophenol, a poisonous uncoupler, causes elevated body temperature.Answer
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Related questions
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Describe the process by which vitamin B12 is digested and absorbed.
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For each vitamin listed below, indicate: (1) the active form of the vitamin, (2) the general function for the vitamin, and (3) an example of the general function (this could be a specific reaction or simply indicate a pathway/ process where it occurs). An example is provided; as you can see, your answers do not need to be long!Vitamins: Biotin, pantothenate, riboflavin, vitamin B6, thiamin, vitamin C, folateExample: Niacin(1) NAD(H) or NADP(H)(2) Oxidation-reduction reactions(3) TCA Cycle reaction or"¦.
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Indicate whether the statement is true or false. If the statement is false, explain why it is false.
Circulating concentrations of a vitamin typically reflect diet, whereas intracellular (e.g., RBCs, leukocytes) concentrations reflect body pools.
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Indicate whether the statement is true or false. If the statement is false, explain why it is false.
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Which of the following vitamins has a Tolerable Upper Intake Level established?
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d. vitamin B12
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What amount of supplemental folic acid is recommended daily for women of childbearing age in the United States?
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b. 400 ug DFE
c. 600 ug DFE
d. 800 ug DFE
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Tetrahydrofolate is vitally important for dividing cells during growth and cancer and knowledge of this need is used in cancer treatment by giving the drug methotrexate to inhibit the enzyme _____.
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Synthesis of coenzyme A starts with the phosphorylation of which vitamin?
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The present diet of the student in question #25 provides 2500 kcal per day. This diet:
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b. needs to be increased by 300 kcal.
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