The chemical digestion of food is dependent on a whole range of hydrolase enzymes produced mostly by the cells lining the gut as well as other associated organs such as the pancreas, salivary glands, stomach, liver and small intestine. The end goal is to break large food molecules into very much smaller building block units or monomers. These can then be readily absorbed through the into the bloodstream for transport to the liver and from there to other parts of the body.

Enzymes are both pH and temperature specific. Seen here are the reaction rates of three common digestive enzymes. Based on the data, which enzyme (s) require (s) the addition of HCl for optimum activity?

Question

Biology

Tyrone Oliver

20 February, 18:33

The chemical digestion of food is dependent on a whole range of hydrolase enzymes produced mostly by the cells lining the gut as well as other associated organs such as the pancreas, salivary glands, stomach, liver and small intestine. The end goal is to break large food molecules into very much smaller building block units or monomers. These can then be readily absorbed through the into the bloodstream for transport to the liver and from there to other parts of the body.

Enzymes are both pH and temperature specific. Seen here are the reaction rates of three common digestive enzymes. Based on the data, which enzyme (s) require (s) the addition of HCl for optimum activity?

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Answers (1)

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Tristen Garrett · Answer 1

The enzyme that is present within the stomach and the lining of the muscular gland, would function optimally in high H + concentration and would require much HCl needed for an appropriate pH environment to function

This would be pepsin, I believe.