• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Vitamins and Coenzymes

Vitamins and Coenzymes
A fat-soluble vitamin that regulates blood clotting is

vitamin K
vitamin A
niacin
vitamin C

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
The prosthetic group biotin is a carrier of which type of molecule?

Methyl group
Ammonia
Activated carbon dioxide (CO2)
Sulfhydryl group

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
What metal ion is specifically bound by vitamin B12?

Zinc
Iron
Copper
Cobalt

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
Ascorbic acid acts as an

oxidizing agent
None of these
oxidizing and reducing agent both
reducing agent

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Cobalamin
Beta-Carotene
Thiamine
Pyridoxine

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
The reductant, NADH, transfers the electrons via a flavo-proteins to the specific disulfide (S-S) protein to form a dithiol (SH,SH) protein which converts vitamin

B12(Co2+)to B12(Co)
B12(Co) to B12(Co2+)
B12(Co2+)to B12(Co+)
B12(Co+)to B12(Co2+)

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Vitamins and Coenzymes

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑