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Home Biochemistry Recombinant DNA Technology See What Others Are Saying!
  • Question
  • Which of these restriction enzymes produce blunt ends?


  • Options
  • A. SaII
  • B. EcoRV
  • C. XhoI
  • D. HindIII

  • Correct Answer
  • EcoRV 


  • More questions

    • 1. Why is golden rice pale yellow in color?

    • Options
    • A. It is rich in chlorophyll a.
    • B. It is rich in beta-carotene.
    • C. It is rich in chlorophyll b.
    • D. It is rich in phycobilins.
    • Discuss
    • 2. Lipoic acid exists in

    • Options
    • A. oxidized form
    • B. reduced form
    • C. oxidized and reduced form both
    • D. none of these
    • Discuss
    • 3. The site on a bacterial chromosome that marks the termination point for chromosome replication is called

    • Options
    • A. ter
    • B. a stop codon.
    • C. a stem-loop
    • D. pau
    • Discuss
    • 4. Which of the following components of a monochromator is the dispersing element?

    • Options
    • A. The collimating lens
    • B. The entrance slit
    • C. The diffraction grating
    • D. None of these
    • Discuss
    • 5. NADP+ is reduced to NADPH during

    • Options
    • A. light dependent reactions
    • B. photorespiration
    • C. calvin cylcle
    • D. none of these
    • Discuss
    • 6. Cellulose fibers resemble with the protein structure in the form of

    • Options
    • A. ?-sheets
    • B. ?-helices
    • C. ?-turns
    • D. None of these
    • Discuss
    • 7. VLDLs are synthesized in

    • Options
    • A. blood
    • B. liver
    • C. intestine
    • D. pancreas
    • Discuss
    • 8. The plasma membrane is a selectively permeable barrier due to presence of specific transport

    • Options
    • A. proteins
    • B. amino acids
    • C. carbohydrates
    • D. none of these
    • Discuss
    • 9. In the intersystem crossing

    • Options
    • A. the spin of an excited electron reverses, changing the state of the molecule (from singlet state to triplet state or vice versa)
    • B. a molecule converts its excess energy to light, and emits a photon
    • C. a molecule converts excess electronic energy to vibrational energy
    • D. all of the above
    • Discuss
    • 10. DNA replication in eukaryotes occurs only in

    • Options
    • A. G1 phase
    • B. S phase
    • C. G2 phase
    • D. M phase
    • Discuss


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