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Derivative of myoglobin acts as an effective natural ascorbate oxidase.

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Derivative of myoglobin acts as an effective natural ascorbate oxidase.

(a) True

(b) False

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This question is from Future Prospects topic in division Enzyme Technology Future Prospects of Enzyme Technology

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Correct answer is (a) True

Explanation: Myoglobin is used as an oxygen carrier in muscle. The derivative of myoglobin is achieved by attaching (Ru(NH3)5)^3+ to three surface histidine residues. This helps in conversion from an oxygen carrier to an oxidase by oxidizing ascorbic acid while reducing molecular oxygen. Thus, this derivative acts as an effective natural ascorbate oxidase. Hence the above statement is true.

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