What are some natural products/body substances obtained from microorganisms?

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Multiple Choice

What are some natural products/body substances obtained from microorganisms?

Explanation:
Natural products from microorganisms are compounds like antibiotics and immunosuppressants that come from fungi and bacteria. This option is best because penicillins are classic antibiotics from a mold, and cyclosporine A is an immunosuppressant produced by a fungus. Together they exemplify how microorganisms synthesize pharmacologically important natural products. The other items aren’t microbial products: cocaine and atropine are plant alkaloids; epinephrine is a hormone produced by the adrenal medulla in animals; tetrodotoxin is a toxin from pufferfish.

Natural products from microorganisms are compounds like antibiotics and immunosuppressants that come from fungi and bacteria. This option is best because penicillins are classic antibiotics from a mold, and cyclosporine A is an immunosuppressant produced by a fungus. Together they exemplify how microorganisms synthesize pharmacologically important natural products.

The other items aren’t microbial products: cocaine and atropine are plant alkaloids; epinephrine is a hormone produced by the adrenal medulla in animals; tetrodotoxin is a toxin from pufferfish.

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