Question

BIOLOGY! Enzymes STEM Case
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How does Claire’s diagnosis explain why 1 mL of liquid from her small intestine digested protein slowly but 1 mg of her pure protease digested protein normally?

Answer 1

Answer:

The small intestine is the major site of protein digestion by proteases (enzymes that cleave proteins). The pancreas secretes a number of proteases as zymogens into the duodenum where they must be activated before they can cleave peptide bonds1. This activation occurs through an activation cascade. A cascade is a series of reactions in which one step activates the next in a sequence that results in an amplification of the response. An example of a cascade is shown below.

Explanation:

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Answer 2

I ml of liquid from small intestine had lesser quantity if protease.

Explanation:

• The enzyme, protease, is involved in the digestion of proteins.
• One ml of liquid from the small intestine sill have other constituents in it along with protease. Hence, the digestion process by these proteases was slower as compared to pure protease.
• If only protease from the small intestine were taken, then the digestion would have been similar.