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Biology Test 31...

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  • Question 1
    4 / -1

    Why is PCR (Polymerase Chain Reaction) important in the field of biotechnology?

  • Question 2
    4 / -1

    What is the primary purpose of creating genetically modified (GM) crops?

  • Question 3
    4 / -1

    Ethanol precipitation without RNase treatment will-

  • Question 4
    4 / -1

    What is the primary function of DNA in organisms?

  • Question 5
    4 / -1

    Mark correctly matched

    (1) DNA precipitation - spooling     

    (2) gel electrophoresis -  isolation of DNA

    (3) Emphysema - alpha-1- antitypsin    

    (4) blue white selection -  tetracycline resistance

  • Question 6
    4 / -1

    Which of the following is NOT a component of a nucleotide?

  • Question 7
    4 / -1

    Which step involve phosphodiester bond formation in PCR-

  • Question 8
    4 / -1

    Who proposed the double helix model of DNA?

  • Question 9
    4 / -1

    In A test tube ‘PCR’ is carried out with primers , if DNA amplication  or PCR cycle require 3 min and we start with single DNA piece than DNA amplification stops after –

  • Question 10
    4 / -1

    What is the role of RNA in protein synthesis?

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  • Unanswered - 10

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