Asked in PMC Practice Test 32 (2021) 2021Moderate

Peptides are intermediate in the formation of_

Correct answer: C. Proteins

  • A. Lipids
  • B. Amino acids
  • C. Proteins
  • D. DNA

Explanation

Correct option:CWithin a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. As more amino acids are joined together through peptide bonds, longer peptide chains are formed, ultimately leading to the production of proteins. Therefore, peptides play a crucial role in the formation of proteins.

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About Classification of Proteins

Proteins are classified by composition as simple, conjugated and derived proteins, and by shape as fibrous or globular proteins. The topic relates these classes to examples such as albumin, keratin, collagen, haemoglobin and casein, while distinguishing structural proteins from proteins with transport, catalytic or regulatory roles.

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