Multiple Choice
Which of the following chemical formulas represents that of a simple carbohydrate?
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9. Carbohydrates
Carbohydrates
Multiple Choice
Amylase is an enzyme that is only able to digest which type of glycosidic linkage commonly found in starch?
A
glycosidic bonds
B
glycosidic bonds
C
glycosidic bonds
D
glycosidic bonds
Verified step by step guidance1
Understand that amylase is an enzyme that catalyzes the hydrolysis of glycosidic bonds in polysaccharides like starch.
Recall that starch is primarily composed of two types of glucose polymers: amylose and amylopectin, which contain different glycosidic linkages.
Identify the types of glycosidic bonds present in starch: \( \alpha(1\rightarrow4) \) bonds form the linear chains, and \( \alpha(1\rightarrow6) \) bonds create branch points in amylopectin.
Recognize that amylase specifically targets and breaks the \( \alpha(1\rightarrow4) \) glycosidic bonds, which are the linear linkages in starch.
Conclude that amylase cannot cleave \( \alpha(1\rightarrow6) \) bonds (branch points) or any \( \beta \)-glycosidic bonds, so the correct answer is the \( \alpha(1\rightarrow4) \) glycosidic bonds.
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