digestive enzymes Flashcards
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;
- Amino acids can cross (cell) membrane;
OR
Dipeptides cannot cross (cell) membrane;
OR
Maintain concentration gradient of amino acids for absorption