Multiple Choice
Which of the following chemical formulas represents that of a simple carbohydrate?
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9. Carbohydrates
Carbohydrates
Multiple Choice
In human digestion, amylase is an enzyme that primarily breaks down which type of carbohydrate?
A
Triglycerides
B
Starch (a polysaccharide)
C
Cellulose (a polysaccharide with - 1,4 linkages)
D
Proteins
Verified step by step guidance1
Identify the role of amylase in human digestion, which is to catalyze the breakdown of carbohydrates.
Recall that carbohydrates can be classified into monosaccharides, disaccharides, and polysaccharides, with starch and cellulose being examples of polysaccharides.
Understand that amylase specifically targets alpha-1,4-glycosidic linkages found in starch, breaking it down into smaller sugar units like maltose and glucose.
Recognize that cellulose, although a polysaccharide, has beta-1,4-glycosidic linkages, which human amylase cannot break down due to the difference in linkage type.
Conclude that amylase primarily breaks down starch, not triglycerides (fats) or proteins, making starch the correct carbohydrate substrate for amylase.
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