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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About Proteins
Proteins are polymers of amino acids joined by peptide bonds, and their function depends on primary, secondary, tertiary and quaternary structure. The topic covers fibrous and globular proteins, enzymes, antibodies, hormones and transport proteins, as well as denaturation by heat or extreme pH.
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