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Proteins

A:-All enzyme...

Question

A:-All enzymes are proteins
R:-Proteins only can catalyse living reactions

A

Both A and R are true and R is the correct explanation of A.

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B

Both A and R are true but R is NOT the correct explanation of A.

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C

A is true but R is false.

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D

A is false but R is true.

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E

Both A and R are false.

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Solution

The correct option is E
Both A and R are false.

There are some nucleic acids that behave like enzymes. These are called ribozymes.

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{CO}_{2}

easily diffuses from alveoli to tissues and

{CO}_{2}

from tissue to alveoli.

Reason : Alveoli is 2-celled thick and capillaries are thin walled.

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