Statement – I : Enzymes have a property of decreasing activation energy and speeding up metabolic reactions.
Statement – II : Enzymes can exist as polypeptides or polynucleotides in cells.

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Both statement I and statement II are false

Statement I is false and statement II is true

Statement I is true and statement II is false

Both statement I and statement II are true

answer is A.

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Detailed Solution

Enzymes have a property of decreasing activation energy and speeding up metabolic reactions and at the same time enzymes can exist as polypeptides (most enzymes are proteinaceous in nature) or polynucleotides (RNA can act as enzyme and it is called ribozyme) in cells.

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