The Rate-Limiting Step in Fatty Acid Synthesis Is:
A) Condensation $\beta$

Multiple Choice

The rate-limiting step in fatty acid synthesis is:

A) condensation of acetyl-CoA and malonyl-CoA.
B) formation of acetyl-CoA from acetate.
C) formation of malonyl-CoA from malonate and coenzyme A.
D) the reaction catalyzed by acetyl-CoA carboxylase.
E) the reduction of the acetoacetyl group to a $\beta$ -hydroxybutyryl group.