The number of amino acids and number of peptide bonds in a linear tetrapeptide (made of different amino acids) are respectively

• A

  4 and 4
• B

  5 and 5
• C

  5 and 4
• Correct answer
  D

  4 and 3

Solution

Combination of four amino acid units gives linear tetrapeptide, in which three peptide bonds are present.

Hence, the correct answer is option: 'D'.