• 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
What metal ion is specifically bound by vitamin B12?

Iron
Cobalt
Zinc
Copper

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
The disease Beriberi is due to a dietary deficiency in

vitamin B1 (thiamine)
vitamin B2 (riboflavin)
vitamin B6 (pyridoxine)
vitamin B12

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
The occurrence of metals such as iron or molybdenum in some flavoproteins can

form chelation
stabilize the semiquinone
all of these
de-stabilize the semiquinone

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Carnitine
Biotin
Folic acid

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

plants and animals both
animal
plants
none of these

ANSWER DOWNLOAD EXAMIANS APP

Vitamins and Coenzymes
In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

5-6 dimethylbenzimidazole
hydroxycobalamin
adenine
cyanocobalamin

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
↑