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Test your knowledge: 1. pH of our stomach is 2. Your stomach produces an enzyme called pepsin which helps with protein digestion. In the stomach the big proteins start to get broken down and form smaller polypeptides. Complete the reaction below to show what is happening? high medium Draw a line to show what you would expect in the accompanying graph. Explain why? 2. low 2 4 pH level 59


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Answer #1

1.

Pepsin is a proteolytic enzyme that plays an important role in the digestion process.

It hydrolyzes the peptide bond to release small peptides

Pepsin

Proteins -------> Small peptides

2.

The optimum pH for pepsin function is 1.5 to 2.

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