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Biology Test 315

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Biology Test 315
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Weekly Quiz Competition
  • Question 1
    4 / -1

    Taq polymerase obtain from –

    Solution

    thermos aquaticus is archaebacteria

     

  • Question 2
    4 / -1

    Which enzyme is responsible for adding nucleotides to the growing DNA strand during replication?

    Solution

    DNA polymerase is the enzyme responsible for adding nucleotides to the growing DNA strand during replication, ensuring that the new strands are complementary to the original strands.

     

  • Question 3
    4 / -1

    Recombinant protein is all except –

    Solution

    recombinant potein form by host genome

     

  • Question 4
    4 / -1

    What is the significance of the genetic code being universal?

    Solution

    The universality of the genetic code means that a specific codon codes for the same amino acid in almost all organisms. This universality is a fundamental principle in molecular biology, indicating a common evolutionary origin for all life forms.

     

  • Question 5
    4 / -1

    What is a codon?

    Solution

    A codon is a three-nucleotide sequence in mRNA that specifies a particular amino acid or a stop signal during protein synthesis. Each codon matches with an anticodon on a tRNA molecule, which carries the corresponding amino acid.

     

  • Question 6
    4 / -1

    Which process involves the copying of genetic information from DNA into RNA?

    Solution

    Transcription is the process of copying genetic information from DNA into RNA. During transcription, a segment of DNA is used as a template to generate a complementary RNA strand.

     

  • Question 7
    4 / -1

    Bt toxin activate in –

  • Question 8
    4 / -1

    Which of the following is a key enzyme used in the recombinant DNA technology for cutting DNA at specific sequences?

    Solution

    Restriction endonucleases are enzymes that recognize specific sequences in DNA and cut the DNA at or near these sites. They are essential tools in recombinant DNA technology for creating recombinant DNA molecules.

     

  • Question 9
    4 / -1

    Gene which control cotton bollworm are-

  • Question 10
    4 / -1

    Golden rice is genetically modified to produce which of the following vitamins?

    Solution

    Golden rice is genetically modified to produce beta-carotene, a precursor of vitamin A, in the edible parts of rice. This modification aims to address vitamin A deficiency in populations that rely heavily on rice as a staple food.

     

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