Question

How many moles of ATP are required in the formation of urea?

• A. One
• B. Two
• C. Three
• D. Four

Answer 1

Answer:

C. Three

• Three moles of ATP are required in the formation of urea by the ornithine cycle.

• 1 ATP is utilized in the cytoplasm while 2 moles of ATP are required in the mitochondria.