Multiple Choice
In human digestion, what is the primary function of the enzyme amylase?
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6. Enzymes and Enzyme Kinetics
Enzymes
Multiple Choice
What is the primary function of the enzyme amylase in digestion?
A
It catalyzes the hydrolysis of starch (polysaccharides) into smaller sugars such as maltose and oligosaccharides.
B
It catalyzes the breakdown of proteins into peptides by cleaving peptide bonds.
C
It catalyzes the hydrolysis of triglycerides into fatty acids and glycerol.
D
It catalyzes the phosphorylation of glucose to form glucose-6-phosphate.
Verified step by step guidance1
Identify the substrate that amylase acts upon in the digestive system. Amylase specifically targets polysaccharides, such as starch.
Understand the type of reaction catalyzed by amylase. It catalyzes a hydrolysis reaction, which means it uses water to break chemical bonds.
Recognize the products formed from the action of amylase. The enzyme breaks down starch into smaller sugar units like maltose and oligosaccharides.
Compare the function of amylase with other digestive enzymes mentioned. For example, enzymes that break down proteins or lipids have different substrates and products.
Conclude that the primary function of amylase is to catalyze the hydrolysis of starch into smaller sugars, facilitating carbohydrate digestion.
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