last question ou are viewing a slide of a digestive system organ and you identif

Question

last question

ou are viewing a slide of a digestive system organ and you identify central vins nd ewing a slide of a digestive system organ and you identify central veins and portal areas. The orga you are viewing is the 8. T rue or False: As amylase digestion of starch proceeds, the concentration concentration of disaccharides increases. of starch decrease, and the In the stomach, parietal cells produce hydrochloric acid, which is needed to convert the proenzyme pepsinogen to the protein-digesting enzyme pepsin. Hydrochloric a stomach contents to around 2.5. When saliva is swallowed, will amylase continue to be functional when it enters the stomach? Explain. cid dramatically lowers the pH of the

Explanation / Answer

As you mentioned the part 9 only, the answer for part 9:

9) Normally the pH in the stomach is approximately 1.0 to 2.0, which is extremely acidic (Anything below pH 7.0 is acidic). This level of acidity causes the salivary amylase's protein structure to denature and change the shape. Therefore, salivary amylase is not able to function once it enters the stomach.

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