According to the cellular clock theory,after about 70 or 80 replications,the cell no longer can reproduce and the _____ are dramatically reduced.
A) mitochondria
B) telomeres
C) chromosomes
D) sperm cells

Question

Quizplus · Accepted Answer

The cellular clock theory suggests that after a certain number of replications, the telomeres, protective caps on the ends of chromosomes, become shorter and the cell can no longer divide. This leads to reduced cell function and ultimately cell death. The other choices (mitochondria, chromosomes, and sperm cells) are not directly related to the cellular clock theory.

According to the Cellular Clock Theory,after About 70 or 80