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    How many restriction enzymes have been discovered till today?
    Question

    How many restriction enzymes have been discovered till today?

    A.

    600

    B.

    800

    C.

    900

    D.

    1200

    Correct option is C

    today we know more than 900 restriction enzymes that have been isolated from over 230 strains of bacteria each of which recognise different recognition sequences.

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