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Question
A number of metabolic pathways have a problem in that certain components required for them to function are found in either the cytosol or the mitochondria, and some intermediates cannot cross the membrane. This requires that certain compounds be shuttled from one compartment to the other. Explain this shuttling process for either: (a) glycolysis/TCA cycle OR (b) gluconeogenesis. Your answer should include: what needs to be shuttled, why it needs to be shuttled, and how this is accomplished.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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Indicate whether the statement is true or false. If the statement is false, explain why it is false.
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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?
a. thiamin
b. riboflavin
c. vitamin B6
d. vitamin B12
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a. R binders and hydrochloric acid, colon
b. pepsin and hydrochloric acid, ileum
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d. R protein and intrinsic factor, duodenum
Q:
What amount of supplemental folic acid is recommended daily for women of childbearing age in the United States?
a. 200 ug DFE
b. 400 ug DFE
c. 600 ug DFE
d. 800 ug DFE
Q:
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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c. vitamin E
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b. 130 lb
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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.
c. would cause about 1 lb per week weight loss.
d. would cause weight gain of about 0.5 lb per week.
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c. provide a disclaimer on the label stating that "this statement has not been evaluated by the Food and Drug Administration"
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Which ultratrace element is not required by humans in its ionic form, but is a necessary component of the coenzyme form of a vitamin?
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b. boron
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Toxicity of which element results in green tongue, diarrhea, and GI cramps?
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c. arsenic
d. boron
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Which ultratrace element, in pharmacological quantities, mimics the action of insulin?
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Which of the following groups of foods are richest in boron, providing 1.0 to 4.5 mg/100 g?
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a. arsenic
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What two minerals can cause damage to cells when in their free ion forms?
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