Which is the by product of the urea cycle_______________?
Correct answer: A. Fumarate
- A. Fumarate
- B. Succinate
- C. Ornithine
- D. Aspartate
Explanation
Argininosuccinate is cleaved in the urea cycle to produce arginine and fumarate. Fumarate then links the urea cycle with the citric acid cycle, whereas ornithine is regenerated rather than being the by-product.
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