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Reactions of amino acids

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The 3 important reactions that amino acids undergo are

a)

Transamination

b)

oxidative deamination

c)

decarboxylation

d)

All of the above

2.

The amino group of the amino acids is utilized for the formation of __________ which is an excretory end product

a)

Urea

b)

Uric acid

c)

Ammonium salts

d)

Gout

3.

Transamination of amino acids would result in the formation of _______.

a)

Amino acids

b)

Proline

c)

Acetic acid

d)

Keto acids

4.

Transamination reactions are catalyzed by

a)

Oxidative deaminases

b)

Transaminases

c)

Transfer amidases

d)

Oxidases

5.

The coenzyme required in transamination reactions is

a)

Pyridine

b)

Cobalamine

c)

Magnesium

d)

Pyridoxal phosphate

6.

which among the following statements is true about transamination reactions?

a)

This is required for production of non-essential amino acids

b)

These reactions divert amino acids towards energy generation

c)

They finally result in glutamate formation

d)

Serum transaminases are important for diagnostic

e)

All of the above

7.

The removal of amino group from the amino acids is called

a)

Transamination

b)

Deamination

c)

Ketoformation

d)

all of the above

8.

________________ is the liberation of free ammonia from the amino group of amino acids coupled with oxidation

a)

Transmination

b)

Deamination

c)

Oxidative transamination

d)

Oxidative deamination

9.

_________________ reactions lead tot he formation of amines

a)

decarboxylation

b)

transamination

c)

Deamination

d)

Oxidative deamination

10.

Intestinal bacteria especially, have enzymes which can decarboxylate lysine and ornithine respectively into _________________-

a)

cadaverine and putrescine

b)

Keto acid and amines

c)

Cadaverine and ketoamine

d)

Ketoamine and putrescine