The action of endopeptidases and exopeptidases can increase the rate of protein digestion - AQA - A-Level Biology - Question 5 - 2021 - Paper 3
Question 5
The action of endopeptidases and exopeptidases can increase the rate of protein digestion. Describe how.
Endopeptidases hydrolyze peptide bonds at the ends of a pol... show full transcript
Worked Solution & Example Answer:The action of endopeptidases and exopeptidases can increase the rate of protein digestion - AQA - A-Level Biology - Question 5 - 2021 - Paper 3
Step 1
Describe how endopeptidases increase protein digestion
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Answer
Endopeptidases hydrolyze peptide bonds within a polypeptide, breaking it down into smaller peptide fragments.
Step 2
Describe how exopeptidases increase protein digestion
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Answer
Exopeptidases hydrolyze peptide bonds at the terminals of these smaller peptides, releasing free amino acids, which further speeds up the digestion process.
