What are the products of urea cycle?

• A. One molecule of urea, one molecule of ammonia, one molecule of ATP and one molecule of fumaric acid
• B. One molecule of urea, one molecule of AMP, two molecules of ADP and one molecule of fumaric acid
• C. One molecule of aspartic acid, one molecule of ammonia, one molecule of ATP and one molecule of fumaric acid
• D. Two molecules of urea, two molecules of ammonia, one molecule of ATP and one molecule of fumaric acid