digestive enzymes Flashcards

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1
Q

Some proteases are secreted as extracellular enzymes by bacteria.

Suggest one advantage to a bacterium of secreting an extracellular protease in its natural environment.

Explain your answer.

A

Hydrolyse (peptide bonds) to release amino acids;

  1. Amino acids can cross (cell) membrane;

OR

Dipeptides cannot cross (cell) membrane;

OR

Maintain concentration gradient of amino acids for absorption

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