Question

Which of the following could be coded by a tumor-supressor gene?

(a) A protein that helps prevent progression through cell cycle

(b) A protein that helps prevent apoptosis

(c) A protein that codes for a DNA repair enzyme

(d) A protein that forms part of a growth factor signaling pathway

I had been asked this question in unit test.

Question is taken from Oncogenes, Tumor Suppressor Genes and Programmed Cell Death in portion Biosignalling of Biochemistry

Answer 1

The correct choice is (a) A protein that helps prevent progression through cell cycle

Explanation: A protein that helps prevent progression through cell cycle could be coded by a tumor-supressor gene.