The Reaction That Catalyzes the Addition of an Activated Two-Carbon

Multiple Choice

The reaction that catalyzes the addition of an activated two-carbon compound with an activated three-carbon compound is:

A) malonyl transacylase.
B) β-ketoacyl synthase.
C) β-ketoacyl ACP reductase.
D) acetyl transacylase.
E) enoyl ACP reductase.