Fatty acid synthesis starts with the carboxylation of acetyl CoA, takes place in the cytoplasm, intermediates are linked to acyl carrier protein, use NADPH, and involve a series of condensation, reduction, and dehydration reactions.
The committed step is the formation of malonyl CoA; enzymes are combined in a multienzyme complex (Option A). In contrast, acetyl CoA is a product of fatty acid oxidation (Option B).
While fatty acid oxidation is the mechanism used by cells to produce energy utilizing fatty acids, fatty acid synthesis refers to the metabolic pathways used to produce a fatty acid from acetyl-CoA and the NADPH molecule.
This information demonstrates that fatty acid production and oxidation are two separate processes.
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