Biochemistry The two nitrogen atoms, that are incorporated into the urea cycle. The source of the nitrogen are A Glutamate & Aspartate B Aspartate & Arginine C Aspartate & NH3 D Glutamate & NH3 💡 Explanation The two nitrogen atoms, that are incorporated into the urea cycle. The source of the nitrogen are ✓ Correct Answer: C. Aspartate & NH3