Question

Study Question 21
(a) State the pH under which enzymes in
each of the following parts of the ali-
mentary canal work:
(i) Mouth.
(ii) Stomach.
(iii) Duodenum. (iv) Ileum.​

Answer 1

Explanation:

The organs of the alimentary canal are the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The accessory digestive structures include the teeth, tongue, salivary glands, liver, pancreas, and gallbladder.

Answer 2

Answer:

i) 6.8 for salivary amylase to work

ii) 1.5 for pepsin in stomach

iii) 7.8 for various pancreatic enzymes like trypsin, lipase, pancreatic amylase etc.

iv) 7 to 8 for protease and carbohydrase enzymes in ileum.

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