Insulin is a human__________?

Correct answer: B. Protein

  • A. Gene
  • B. Protein
  • C. Glucose
  • D. Diabetes

Explanation

Insulin is a peptide hormone made of amino acids, so it is a protein that regulates blood glucose concentration. Students may choose gene because the insulin gene encodes it, but the gene is the DNA instruction, whereas insulin is the resulting protein.

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