Question

Which of the following pair of amino acids are removed by the ornithine cycle?

• A. CO2 and H2O
• B. H2O and O2
• C. CO2 and urea
• D. Ammonia and CO2

Answer 1

Answer:

D. Ammonia and CO2

• CO2 and ammonia are a pair of waste substances removed from the blood during the ornithine cycle.

• The most abundant, harmful, and universal waste product of metabolism is CO2.