What do you call an enzyme that is active and composed of a polypeptide chain combined with a cofactor?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
11 May 2018
Last updated
28 May 2026

Browse all Biology Mcqs

Choose the correct answer

Explanation

An apoenzyme refers to the protein portion of an enzyme without its cofactor, whereas a holoenzyme is the complete, active enzyme consisting of the apoenzyme plus its cofactor. Therefore, an activated enzyme made up of a polypeptide chain and a cofactor is both a holoenzyme and an active enzyme.

SolveExam — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.