Exam preparation - Carbohydrate digestion

8 important questions on Exam preparation - Carbohydrate digestion

I) What does the alpha-amylase enzyme in the saliva do for carbohydrate digestion in the mouth?

The A-A E cuts some of the G bonds that connect the many S units within S

This produces shorter S PS and M

The end result is partial digestion of S in the mouth

Ii) The stomach acid contains the strong acid, hydrochloric acid (HCl). What role does HCl play in carbohydrate digestion?

The strong acidic environment of the S does not break the G bonds that connect the S units within C's

Iii) What enzyme(s) help facilitate carbohydrate digestion in the small intestine?

Many enzymes cleave the G bonds within different PS and DS C's
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Iii) What do enzymes in the small intestine do to assist breaking down carbohydrates into smaller sugars (such as monosaccharides and disaccharides)?

Each C requires a specific E to cleave the G bonds that link the S units together in order to create smaller S units, usually MS's

Iii) What is an example of a specific E to cleave the glycosidic bonds?

The L E breaks down L, a DS, into one G unit and one G unit

V) How are the carbohydrate digestion products transported into the bloodstream?

The MS's G, F and G are transported into the blood via AT

V) Where are the monosaccharides taken once in the blood?

To the liver to be metabolised

V) Can cell types other than those of the liver also use the monosaccharides produced in digestion?

Yes G but not F or G

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