Combining amino acids into a polypeptide

Anabolic
Catabolic

Explanation:

anabolic is the answer

because a large molecule is made from smaller ones.

Anabolic combines amino acids into a polypeptide.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.