In the tube containing amylase and starch, what is the main hydrolysis product?

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Multiple Choice

In the tube containing amylase and starch, what is the main hydrolysis product?

Explanation:
Amylase cleaves the internal α-1,4 glycosidic bonds in starch, breaking the polymer into small glucose-containing units. The major product formed by this action is maltose, a disaccharide of two glucose molecules. Sucrose and cellobiose aren’t products of starch hydrolysis by amylase, and glucose would require another enzyme (maltase) to act on maltose. In a tube with only amylase and starch, maltose accumulates as the main hydrolysis product.

Amylase cleaves the internal α-1,4 glycosidic bonds in starch, breaking the polymer into small glucose-containing units. The major product formed by this action is maltose, a disaccharide of two glucose molecules. Sucrose and cellobiose aren’t products of starch hydrolysis by amylase, and glucose would require another enzyme (maltase) to act on maltose. In a tube with only amylase and starch, maltose accumulates as the main hydrolysis product.

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