Lipogenesis, or fatty acid synthesis, occurs in several cycles. A diagram of the

Question

Lipogenesis, or fatty acid synthesis, occurs in several cycles. A diagram of the reactions of the first cycle of fatty acid synthesis is shown below. Which of the following statements are true? Select all the true statements. Acetyl-SCoA is used to produce malonyl-SCoA. Malonyl-CoA delivers the two carbon unit that adds to the growing fatty acid chain with each cycle. In fatty acid synthesis, acetyl and acyl molecules are activated by an acyl carrier protein (ACP). The reactions of fatty acid synthesis include, but are not limited to, two reductions and a dehydration. The first cycle of fatty acid synthesis yields CO_2, 1 NADP^+, and an acyl group attached to ACP. Each cycle lengthens the fatty acid chain by three carbon atoms.

Explanation / Answer

a. Acetyl SCoA provides the carbon used for fatty acid synthesis.

b. Malonyl CoA adds two carbon group to the growing fatty acid chain with each cycle.

d. The reactions of lipogenesis include, but are not limited to, two reductions and a dehydration.

e. In lipogenesis, acetyl and acyl molecules are activated by an acyl carrier protein (ACP).

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