Given below are two statements: one is labeled Assertion (A) and other is labeled Reason (R).
Assertion (A): Proteins are not digested in buccal cavity of human.
Reason (R): Proteases can act on proteins in only alkaline medium.
In the light of above statements, choose the correct answer from the options given below.

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Both A and R are true, R is the correct explanation to A.

Both A and R are true, R is not the correct explanation to A.

A is true but R is false.

Both A and R are false.

answer is C.

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Detailed Solution

The assertion (A) is correct. Proteins are not digested in the buccal cavity of humans. Digestion of proteins primarily begins in the stomach with the action of pepsin and continues in the small intestine with the action of various proteolytic enzymes.

Reason (R) is incorrect. Proteases can act on proteins in only alkaline medium. Proteases, which are enzymes that break down proteins, can function in both acidic and alkaline environments. Pepsin, for example, works in the acidic environment of the stomach, while pancreatic proteases work in the alkaline environment of the small intestine.

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