Which natural product comes from animal sources?

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Multiple Choice

Which natural product comes from animal sources?

Explanation:
Epinephrine is a natural product produced by animals. It is the hormone released by the adrenal glands in mammals and acts as a key transmitter in the body. Because it is synthesized and stored in animal tissue, it fits the category of a natural product derived from animal sources. Penicillin comes from a mold (a fungus), not an animal. Cocaine is extracted from the coca plant, a plant-derived natural product. Tetrodotoxin is a toxin associated with certain animals like pufferfish, but its production is largely by bacterial sources within those organisms, so it's not classically considered an animal-produced natural product.

Epinephrine is a natural product produced by animals. It is the hormone released by the adrenal glands in mammals and acts as a key transmitter in the body. Because it is synthesized and stored in animal tissue, it fits the category of a natural product derived from animal sources.

Penicillin comes from a mold (a fungus), not an animal. Cocaine is extracted from the coca plant, a plant-derived natural product. Tetrodotoxin is a toxin associated with certain animals like pufferfish, but its production is largely by bacterial sources within those organisms, so it's not classically considered an animal-produced natural product.

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