VITAMINS AND COENZYMES QUIZ

Lipoic acid exists in

none of these

oxidized and reduced form both

oxidized form

reduced form

TRUE ANSWER : ?
YOUR ANSWER : ?

An example of a digestive hormone is

gastrin

amylase

pepsin

lipase

TRUE ANSWER : ?
YOUR ANSWER : ?

What metal ion is specifically bound by vitamin B12?

Cobalt

Zinc

Iron

Copper

TRUE ANSWER : ?
YOUR ANSWER : ?

The disease Beriberi is due to a dietary deficiency in

vitamin B12

vitamin B6 (pyridoxine)

vitamin B2 (riboflavin)

vitamin B1 (thiamine)

TRUE ANSWER : ?
YOUR ANSWER : ?

The vitamin riboflavin is part of the __________ molecule.

FAD

pyrophosphate

ferredoxin

pyridoxal phosphat

TRUE ANSWER : ?
YOUR ANSWER : ?

A deficiency of niacin causes

scurvy

anemia

cataract

pellagra

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamins are essential because the organism

can't synthesize these compounds in the adequate amounts

None of these

can synthesize these compounds partially

can't synthesize these compounds at all

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of these hormones is a catecholamine?

Tetrahydrofolate

Follitropin

Tetraiodothyronine

Norepinephrine

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin B12 (Cobalamin) is only synthesized by

micro-organisms

animals

plants

fishes

TRUE ANSWER : ?
YOUR ANSWER : ?

Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

six isoprene units

four isoprene units

nine isoprene units

four isoprene units

TRUE ANSWER : ?
YOUR ANSWER : ?

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