Multiple choice

Which is a hormone?

  1. Insulin

  2. Brain

  3. Ascorbic acid

  4. Nucleic acid
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Insulin is a hormone produced by the pancreas that regulates blood sugar levels by facilitating glucose uptake into cells. Brain is an organ, not a chemical substance. Ascorbic acid is vitamin C, an antioxidant vitamin, not a hormone. Nucleic acids (DNA and RNA) are genetic materials, not hormones.

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