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Ch. 21 Lehninger biochem test bank With Questions And 100% CORRECT ANSWERS
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JACKLINECh. 21 Lehninger biochem test bank With Questions And 100% CORRECT
ANSWERS
Terms in this set (34)
1. Which of the following is not required in the E
synthesis of fatty acids?
A) Acetyl-CoA
B) Biotin
C) HCO3- (CO2)
D) Malonyl-CoA
E) NADH
We have an expert-written solution to this problem!
, 2. Which of the following is not true of the reaction B
producing malonyl-CoA during fatty acid synthesis?
A) It is stimulated by citrate.
B) It requires acyl carrier protein (ACP).
C) It requires CO2 (or bicarbonate).
D) One mole of ATP is converted to ADP + Pi for
each malonyl-CoA synthesized.
E) The cofactor is biotin.
3. If malonyl-CoA is synthesized from 14CO2 and D
unlabeled acetyl-CoA, and the labeled malonate is
then used for fatty acid synthesis, the final product
(fatty acid) will have radioactive carbon in:
A) every C.
B) every even-numbered C-atom.
C) every odd-numbered C-atom.
D) no part of the molecule.
E) only the omega-carbon atom (farthest carbon
from C-1).
4. Which one of the following statements best E
applies to synthesis of fatty acids in E. coli extracts?
A) Acyl intermediates are thioesters of a low
molecular weight protein called acyl carrier protein.
B) CO2 or HCO3- is essential.
C) Reducing equivalents are provided by NADPH.
D) The ultimate source of all the carbon atoms in the
fatty acid product is acetyl-CoA.
E) All of the above
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