Cell Regulation and Cancer Lesson

Refer to the diagram below. During the cell cycle, normal cells exit the G1 phase and enter the GO phase where they rest. Typically, cells will reenter the cycle at G1 prior to going on to the S phase. However, abnormal cells such as cancer cells may not be allowed to enter the GO phase to rest. As a result, these cells will most likely –

Which checkpoint involves ensuring all DNA has been replicated and "no" errors exist?

The vertebrae forelimb initially develops in the embryo as a solid mass of tissue. As development progresses, the solid mass near the end of the forelimb is remolded into individual digits. Which of the following best explains the role of apoptosis in the remodeling of the forelimb?

Substances or radiation that is known to produce or promote cancer are called

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