Which of the following is a key intermediate in the urea cycle?

Practice Questions

Q1
Which of the following is a key intermediate in the urea cycle?
  1. Fumarate
  2. Citrulline
  3. Aspartate
  4. Glutamine

Questions & Step-by-Step Solutions

Which of the following is a key intermediate in the urea cycle?
  • Step 1: Understand what the urea cycle is. It is a process in the liver that helps remove ammonia from the body by converting it into urea.
  • Step 2: Identify the components involved in the urea cycle. Key components include ammonia, carbon dioxide, and certain amino acids.
  • Step 3: Learn about the intermediates in the urea cycle. These are the substances formed during the cycle that help in the conversion of ammonia to urea.
  • Step 4: Recognize that citrulline is one of these intermediates. It is formed when carbamoyl phosphate combines with ornithine.
  • Step 5: Conclude that citrulline is a key intermediate in the urea cycle.
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