VITAMINS AND COENZYMES QUIZ

A deficiency of niacin causes

cataract

scurvy

anemia

pellagra

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of these hormones is a catecholamine?

Tetraiodothyronine

Follitropin

Norepinephrine

Tetrahydrofolate

TRUE ANSWER : ?
YOUR ANSWER : ?

Lipoic acid exists in

reduced form

oxidized form

none of these

oxidized and reduced form both

TRUE ANSWER : ?
YOUR ANSWER : ?

An enzyme, L-folate reductase reduces folic acid to

hydrofolic acid

dihydrofolic acid

trihydrofolic acid

tetrahydrofolic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin-C is considered as a

water soluble

none of these

fat soluble

fat and water soluble

TRUE ANSWER : ?
YOUR ANSWER : ?

A fat-soluble vitamin that regulates blood clotting is

vitamin C

niacin

vitamin A

vitamin K

TRUE ANSWER : ?
YOUR ANSWER : ?

The absence of ascorbic acid in the human diet gives rise to

beri-beri

cataract

pernicious anemia

rickets

TRUE ANSWER : ?
YOUR ANSWER : ?

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

plants and animals both

plants

none of these

animal

TRUE ANSWER : ?
YOUR ANSWER : ?

Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

either end via two disulfide bonds

both ends by one disulfide bond

both ends by two disulfide bonds

either end via a single disulfide bond

TRUE ANSWER : ?
YOUR ANSWER : ?

Dihydroorotate dehydrogenase contains

4 flavins and 4 atoms of iron per molecule

4 flavins and 2 atoms of iron per molecule

2 flavins and 4 atoms of iron per molecule

2 flavins and 2 atoms of iron per molecule

TRUE ANSWER : ?
YOUR ANSWER : ?

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