Asked in ETEA MDCAT 2005 2005Moderate

The enormous diversity of protein molecules is mostly due to the diversity of:

Correct answer: B. R- groups on the amino acids·

  • A. Amino groups on the amino acids
  • B. R- groups on the amino acids·
  • C. Peptide bonds
  • D. Amino acids sequences within protein molecules

Explanation

Diversity refers to different types of proteins.

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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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