📘 Step 1 — Curriculum Coverage
This topic establishes the foundation of nitrogen metabolism, linking amino acid breakdown to urea formation.
🔹 Biochemistry
Amino Acid Pool
- Formation of amino acid pool
• Sources of amino acids entering the pool
• Utilization of amino acids from pool
Protein Catabolism Processes
- Transamination
• Deamination
• Transdeamination - Clinical importance of transaminases
Ammonia Formation and Transport
- Formation of ammonia in tissues
• Transport of ammonia to liver - Ammonia toxicity
• Effects of ammonia toxicity on brain
Urea Cycle
- Krebs-Henseleit urea cycle
- Steps of urea formation
- Enzymes involved in urea cycle
- Clinical significance of urea cycle enzyme defects
