NITROGEN METABOLISM QUIZ

Which of the following is used as carbon atom source while producing urea in the urea cycle?

Glucose

Arginine

Aspartic acid

Carbon dioxide

TRUE ANSWER : ?
YOUR ANSWER : ?

1 molecule of urea, 1 molecule of ammonia, 3 molecules of ATP and 1 molecule of fumaric acid

None of these

1 molecule of aspartic acid, 1 molecule of ammonia, 1 molecule of carbon dioxide, 3 molecules of ATP

1 molecule of fumaric acid, 1 molecule of urea, 3 molecules of AMP

TRUE ANSWER : ?
YOUR ANSWER : ?

ketoacids into amino acids

amino acids into ketoacids

ammonia into a less toxic form

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

nitrite

ammonia

nitrate

ammonia and aspartic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

5

10

15

16

TRUE ANSWER : ?
YOUR ANSWER : ?

None of these

1 molecule of fumaric acid, 1 molecule of urea, 1 molecule of AMP, 2 molecules of ADP

1 molecule of urea, 1 molecule of ammonia, 1 molecule of ATP and 1 molecule of fumaric acid

1 molecule of aspartic acid, 1 molecule of ammonia, 1 molecule of fumaric acid, 1 molecule of ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

plant and microorganism

none of these

only microorganism

only plants

TRUE ANSWER : ?
YOUR ANSWER : ?

Glycine

Leucine

Methionine

Histidine

TRUE ANSWER : ?
YOUR ANSWER : ?