NITROGEN METABOLISM QUIZ

16

15

5

10

Aspartic acid

Arginine

Carbon dioxide

Glucose

amino acids into ketoacids

none of these

ketoacids into amino acids

ammonia into a less toxic form

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

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

None of these

nitrite

ammonia

nitrate

ammonia and aspartic acid

plant and microorganism

none of these

only plants

only microorganism

Methionine

Glycine

Leucine

Histidine

None of these

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

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