logo

CuriousTab

CuriousTab

Discussion

Home ‣ Biochemistry ‣ Minerals See What Others Are Saying!
  • Question

  • Which of the following is correct?


  • Options
  • A. Cobalt is part of vitamin B12.
  • B. Cobalt will not replace the need for vitamin B12 in humans
  • C. Both (a) and (b)
  • D. Cobalt will replace the need for vitamin B12 in humans

  • Correct Answer
  • Both (a) and (b) 

    • More questions

    • 1. The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

    • Options
    • A. Ori
    • B. a promoter
    • C. Pro
    • D. an initiation codon
      • Discuss
    • 2. To stop ATP synthesis which chemical is generally used?

    • Options
    • A. DNSA
    • B. 2,4 dinitrophenol
    • C. DDT
    • D. None of the chemical can stop ATP synthesis
      • Discuss
    • 3. In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

    • Options
    • A. CATT
    • B. Shine Dalgarno region
    • C. TATA box
    • D. SV40 region
      • Discuss
    • 4. In normal phase HPLC, there is a

    • Options
    • A. non polar solvent/polar column
    • B. polar solvent/non-polar column
    • C. non polar solvent/non-polar column
    • D. any of the above
      • Discuss
    • 5. Which of the following is used as carbon atom source while producing urea in the urea cycle?

    • Options
    • A. Arginine
    • B. Aspartic acid
    • C. Carbon dioxide
    • D. Glucose
      • Discuss
    • 6. A cell which defends against body cells in which viruses are reproducing is

    • Options
    • A. Exotoxin
    • B. Cytotoxic T cell
    • C. Endotoxin
    • D. Suppressor T cell
      • Discuss
    • 7. When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3, alanine becomes

    • Options
    • A. a cation
    • B. nonpolar
    • C. a zwitterions
    • D. an isotope
      • Discuss
    • 8. In the glycogen synthase reaction, the precursor to glycogen is

    • Options
    • A. glucose-6-P
    • B. UTP-glucose
    • C. UDP-glucose
    • D. glucose-1-P
      • Discuss
    • 9. The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?

    • Options
    • A. 5' TAACGGT 3'
    • B. 5' TGGCAAT 3'
    • C. 5' ATTGCCA 3'
    • D. 5' UAAGCCU3'
      • Discuss
    • 10. Molecules that bear charged groups of opposite polarity are known as

    • Options
    • A. zwitterions
    • B. ambions
    • C. ion conversion
    • D. amphions
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.