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Question

The enzyme responsible for the softening of fruit wall is

A
protease
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B
nuclease
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C
amylase
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D
cellulase
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Solution

The correct option is D cellulase
Fruit walls are majorly made up of cellulosic materials that give rigidity to the fruit. The cellulase enzyme acts on the fruit's cell wall, which results in the hydrolysis of the cellulose, ultimately weakening the cell wall due to the degradation of its structure. As a result, the fruit tissues become softened.

Proteases are a type of enzymes that catalyze the breakage of peptide linkages in proteins.

Nucleases bring about the fragmentation or digestion of DNA.

Amylases are essential in the degradation of starch.

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