Acetyl-CoA labeled with 14C in both of its acetate carbon atoms is incubated with unlabeled oxaloacetate and a crude tissue preparation capable of carrying out the reactions of the citric acid cycle. After one turn of the cycle, oxaloacetate would have 14C in:
A) all four carbon atoms.
B) no pattern that is predictable from the information provided.
C) none of its carbon atoms.
D) the keto carbon and one of the carboxyl carbons.
E) the two carboxyl carbons.
Correct Answer:
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Q1: Which enzymatic activity would be decreased
Q2: Which statement about the oxidative decarboxylation of
Q3: Which statement is NOT true of the
Q4: The reaction of the citric acid cycle
Q6: Which statement is NOT true of the
Q7: Glucose labeled with 14C in C-3 and
Q8: The oxidative decarboxylation of
Q9: The reaction of the citric acid
Q10: The standard reduction potentials (E'°) for
Q11: The two moles of CO2 produced in
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