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Solution
The correct option is B Rennin, helicase and hyaluronidase - enzymes In option A, thiamine is vitamin B1 and not an amino acid. IN option B, myosin is a protein in muscle contraction.
In option D, ascorbic acid is vitamin C. Whereas, in option C, all are enzymes. Hence, the correct answer is 'Rennin, helicase and hyaluronidase - enzymes'.