Which of the following statement/statements are not true according to urea cycle?
I. Two ATP molecules are required for synthesis of carbamoyl phosphate.
II. Products of urea cycle are: 1 molecule of urea, 2 molecules of ADP, 1 molecule each of AMP and fumaric acid.
III. Urea cycle takes place in kidney cells.
IV. Reaction of citrulline and aspartate requires ATP.