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ExamsNEETBiology

Which one of the following hormones is a modified amino acid?

  1. Epinephrine
  2. Progesterone
  3. Prostaglandin
  4. Estrogen

Correct answer: Epinephrine

Solution

Epinephrine is a catecholamine hormone synthesized from the amino acid tyrosine, so it is a modified amino acid. Progesterone and estrogen are steroid hormones, while prostaglandins are eicosanoids derived from fatty acids.

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