You are the director of research for a drug company. The following list of candidate drugs is brought to you. Which is the most likely to be worth developing as a cancer chemotherapy agent? A drug that

a. interferes with cellular respiration.

b. causes cells to divide at a right angle from their usual orientation.

c. prevents sister chromatids from separating at anaphase.

The response is C.

Explanation:

Chemotherapy drugs are cytotoxic, it means that they are used for killing cancer cells. Chemotherapy agents can be classified depending on their mechanisms of action. For example, antimetabolites, which are one of the most important types of anticancer agents, are known to prevent cell division by interfering with enzymes required for DNA synthesis.

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