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Om perkash

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  1. Asked: October 28, 2021In: Class 12 Biology

    Which of the following has popularised the PCR (polymerase chain reactions)?

    Om perkash
    Added an answer on October 29, 2021 at 9:30 am

    d. Availability of 'Thermostable' DNA polymerase

    d. Availability of ‘Thermostable’ DNA polymerase

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  2. Asked: October 28, 2021In: Class 12 Biology

    An antibiotic resistance gene in a vector usually helps in the selection of:

    Om perkash
    Added an answer on October 29, 2021 at 9:29 am

    b. Transformed cells

    b. Transformed cells

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  3. Asked: October 28, 2021In: Class 12 Biology

    While isolating DNA from bacteria, which of the following enzymes is not used?

    Om perkash
    Added an answer on October 29, 2021 at 9:29 am

    c. Deoxyribonuclease

    c. Deoxyribonuclease

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  4. Asked: October 28, 2021In: Class 12 Biology

    In agarose gel electrophoresis, DNA molecules are separated on the basis of their:

    Om perkash
    Added an answer on October 29, 2021 at 9:29 am

    b. Size only

    b. Size only

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