Which substrate is usual for peptidase?

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Multiple Choice

Which substrate is usual for peptidase?

Explanation:
Peptidases specialize in cleaving peptide bonds. Their usual substrates are peptides, which are short chains of amino acids. This reflects how peptidases are defined by their activity on peptide bonds—so they most commonly act on peptides rather than on whole proteins or other macromolecules. Larger proteins can be targets of other enzyme classes called proteases, but peptidases are best characterized by breaking down smaller peptide substrates. In contrast, lipases work on lipids and amylases on starch, so those substrates don’t fit peptidases.

Peptidases specialize in cleaving peptide bonds. Their usual substrates are peptides, which are short chains of amino acids. This reflects how peptidases are defined by their activity on peptide bonds—so they most commonly act on peptides rather than on whole proteins or other macromolecules. Larger proteins can be targets of other enzyme classes called proteases, but peptidases are best characterized by breaking down smaller peptide substrates. In contrast, lipases work on lipids and amylases on starch, so those substrates don’t fit peptidases.

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