5. Which of the following is the most important regulatory enzyme in fatty acid synthesis?(A) citrate lyase(B) malic enzyme(C) acetyl-CoA carboxylase(D) acetyl-CoA-ACP transacylase(E) malonyl-CoA-ACP transacylase

3. When glucagon binds to its receptor on a liver cell, which of the following sequence of eventsoccurs to activate protein kinase A?(A) activation of adenylate cyclase, activation of G protein, production of cAMP(B) activation of G protein, activation of adenylate cyclase, production of cAMP(C) activation of G protein, production of cAMP, activation of adenylate cyclase(D) production of cAMP, activation of adenylate cyclase, activation of G protein(E) none of the above

5. Which of the following is the most important regulatory enzyme in fatty acid synthesis?
(A) citrate lyase
(B) malic enzyme
(C) acetyl-CoA carboxylase
(D) acetyl-CoA-ACP transacylase

(E) malonyl-CoA-ACP transacylase

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