The document discusses nitrogen metabolism in the body, including ammonia production, excretion, and intoxication. It explains that nitrogen enters the body through dietary protein, which is broken down into amino acids. These amino acids enter a body pool and can then be used to synthesize non-essential amino acids, burned as fuel, or incorporated into other molecules like glycogen, ketone bodies, purines, and pyrimidines. The amino acid pool and protein turnover are important for maintaining nitrogen balance in the body.

1. Ammonia
production,Excretion,Intoxication
Amino Acid Pool,Protein
turnover,nitrogen Balance
DR.TASNIM ARA JHILKY
MD(PART-1)
DEPARTMENT OF BIOCHEMISTRY
SIR SALIMULLAH MEDICAL COLLEGE.

2. INTRODUCTION
Macromolecular polymer of amino acids linked
together by peptide bonds.
Metabolism of proteins is the metabolism of
amino acids.
*Metabolism of amino acids is a part of the
nitrogen metabolism in body.
*Nitrogen enters the body in dietary protein.

6. .

9. Amino Acid Pool
NEAA
synthe
sis
Burned as
metabolic fuel
Glycogen, ketone
bodies, steroids
Purines, pyrimidines
porphyrines etc

34. .