Which of the following describes a carcinogen?

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Multiple Choice

Which of the following describes a carcinogen?

Explanation:
A carcinogen is any agent that can cause cancer, usually by damaging DNA or altering the way cells grow. This includes certain chemicals and physical factors like radiation. That’s why "chemicals or radiation" is the best description: they fit the classic categories of carcinogenic agents. Vitamins, proteins, and carbohydrates are nutrients or structural molecules and are not generally classified as carcinogens, though some nutrients can influence cancer risk in other ways; they are not the defining agents that cause cancer.

A carcinogen is any agent that can cause cancer, usually by damaging DNA or altering the way cells grow. This includes certain chemicals and physical factors like radiation. That’s why "chemicals or radiation" is the best description: they fit the classic categories of carcinogenic agents. Vitamins, proteins, and carbohydrates are nutrients or structural molecules and are not generally classified as carcinogens, though some nutrients can influence cancer risk in other ways; they are not the defining agents that cause cancer.

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