Answer:
Genetic mutations causing the malfunction or absence of one or more of the regulatory proteins at cell cycle checkpoints can result in the "molecular switch" being turned permanently on, permitting uncontrolled multiplication of the cell, leading to carcinogenesis, or tumor development.
Explanation:
Answer:
are u questioning or saying facts ?
Explanation:
hahahahhaha
I think it’s D. Observant
If it’s wrong I’m sorry-
The body uses more calories for daily activities
