Genetic Engineering and Biotechnology
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Questions and Answers

What is the primary source of Taq polymerase, an enzyme used in PCR?

  • Molecular scissors
  • Ligase-producing organism
  • Heat-resistant virus
  • Thermophilic bacteria (correct)

    • What is the purpose of ligase in molecular cloning?

  • To visualize DNA
  • To cut DNA molecules
  • To prevent self-ligation
  • To repair the phosphodiester backbone of DNA (correct)

    • What is the primary function of molecular scissors in genetic engineering?

  • To visualize DNA
  • To cut DNA molecules (correct)
  • To prevent self-ligation
  • To join DNA molecules

    • Which stage of PCR requires a high temperature?

    <p>Denaturing</p> Signup and view all the answers

    What is the potential benefit of genetically modified crops?

    <p>To enhance all forms of human agriculture</p> Signup and view all the answers

    What is the purpose of phosphatase in genetic engineering?

    <p>To prevent self-ligation</p> Signup and view all the answers

    What is the primary goal of gene therapy?

    <p>To cure hereditary diseases</p> Signup and view all the answers

    What is the significance of E. coli in biotechnology?

    <p>It produces recombinant insulin</p> Signup and view all the answers

    What is the potential risk of genetic engineering in agricultural biotechnology?

    <p>It can lead to the flow of genes from modified plants to natural plants, threatening biodiversity</p> Signup and view all the answers

    What is the primary function of the pancreas?

    <p>To secrete insulin</p> Signup and view all the answers

    What is the ethical principle demonstrated by the doctor in the hospital scenario?

    <p>Beneficence</p> Signup and view all the answers

    What is the bioethical principle demonstrated by the statement about the environment?

    <p>Environmental ethics</p> Signup and view all the answers

    What is the primary concern associated with the use of terminator technology?

    <p>It could lead to the killing of natural populations through outcrossing</p> Signup and view all the answers

    What is the primary purpose of bioreactors?

    <p>To provide optimal conditions for cell growth and chemical production</p> Signup and view all the answers

    What is the main goal of gene therapy?

    <p>To cure genetic defects in embryos</p> Signup and view all the answers

    What is the benefit of Golden Rice?

    <p>It is rich in beta-carotene</p> Signup and view all the answers

    What is the first stage of gene therapy?

    <p>Lymphocytes culture outside the body</p> Signup and view all the answers

    What is an alternative method to cure Adenosine deaminase deficiency?

    <p>Bone marrow transplantation</p> Signup and view all the answers

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