VITAMINS AND COENZYMES QUIZ

The most prominent role that tocopherol has in in-vitro systems is as a strong

antioxidants

all of these

reducing agent

oxidizing agent

TRUE ANSWER : ?
YOUR ANSWER : ?

Who discovered vitamin C (ascorbic acid)?

Kerry Mull is

Albert Szent-Gyorgyi

Linus Pauling

Paul Berg

TRUE ANSWER : ?
YOUR ANSWER : ?

The vitamin niacin is part of the __________ molecule.

ferredoxin

NAD+

pyridoxal phosphate

pyrophosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

A deficiency of Vitamin K results in a decreased level of

thrombin

prothrombin

fibrinogen

fibrin

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Activated carbon dioxide (CO2)

Ammonia

Sulfhydryl group

Methyl group

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin-C is considered as a

none of these

fat and water soluble

water soluble

fat soluble

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of these molecules is vitamin H?

None of these

Folic acid

Carnitine

Biotin

TRUE ANSWER : ?
YOUR ANSWER : ?

Biotin occurs mainly in combined forms bound to protein through

ε-N-lipoyl - L-lysine

ε-N-biotinyl-L-lysine

ε-N-lysine moiety

ε-S-lysine moiety

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin B12 (Cobalamin) is only synthesized by

micro-organisms

plants

animals

fishes

TRUE ANSWER : ?
YOUR ANSWER : ?

What compound of raw egg white causes a syndrome similar to vitamin B deficiency?

Betabindin

Avidin

Albumin

Ovalbumin

TRUE ANSWER : ?
YOUR ANSWER : ?

↑