Q) A crazed friend of yours has gone on an orange juice, fish, and vitamin pill diet. He tells you that the citric acid, since it is a component of the TCA cycle, is always recycled and does not count toward his caloric total each day. You disagree, and inform him that citrate can, in addition to having its carbons stored as glycogen or fat for later use, produce energy for his daily metabolic needs. The energy yield for the complete oxidation of citrate to six carbon dioxides and water is which of the following? (A) 15 moles of ATP per mole of citrate (B) 17 moles of ATP per mole of citrate (C) 20 moles of ATP per mole of citrate (D) 22 moles of ATP per mole of citrate (E) 25 moles of ATP per mole of citrate

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Q) A crazed friend of yours has gone on an orange juice, fish, and vitamin pill
diet. He tells you that the citric acid, since it is a component of the TCA cycle,
is always recycled and does not count toward his caloric total each day. You
disagree, and inform him that citrate can, in addition to having its carbons stored
as glycogen or fat for later use, produce energy for his daily metabolic needs.
The energy yield for the complete oxidation of citrate to six carbon dioxides and
water is which of the following?
(A) 15 moles of ATP per mole of citrate
(B) 17 moles of ATP per mole of citrate
(C) 20 moles of ATP per mole of citrate
(D) 22 moles of ATP per mole of citrate
(E) 25 moles of ATP per mole of citrate
Ans: E
Transcribed Image Text:Q) A crazed friend of yours has gone on an orange juice, fish, and vitamin pill diet. He tells you that the citric acid, since it is a component of the TCA cycle, is always recycled and does not count toward his caloric total each day. You disagree, and inform him that citrate can, in addition to having its carbons stored as glycogen or fat for later use, produce energy for his daily metabolic needs. The energy yield for the complete oxidation of citrate to six carbon dioxides and water is which of the following? (A) 15 moles of ATP per mole of citrate (B) 17 moles of ATP per mole of citrate (C) 20 moles of ATP per mole of citrate (D) 22 moles of ATP per mole of citrate (E) 25 moles of ATP per mole of citrate Ans: E
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