1. Simplest protein is protamine which is antidote for heparin.

2. Simplest amino acid is glycine.

3. Proteins contain 0.16 g of nitrogen

4. Source of ammonia - Glutathione

5. Haemoglobin contains rich sources of histidine.

6. Amino acid excreted in urine in pregnancy - Histidine

7. Amino acids excreted in cystinuria are cystine arginine, lysine and ornithine.

8. Substances synthesised from tyrosine

• Thyroxine
• Dopa
• Dopamine
• Norepinephrine
• Epinephrine
• Melanin

9. Amino acids involved in area formation one ornithine, arginine citrulline.

10. Some metabolic disorders of amino acid

• Hartnup diseases - Tryptophan
• Maple syrup disease - Branched chain amino acids cost in urine (valine, leucine and isoleucine)

11. Urea cycle is also called Kreb's Hanslet's cycle or ornithine cycle.

12. Protein which is not an antigen is gelatine.

13. Amino acids involved in creatinine metabolism are arginine, glycine and ornithine.

14. Serotonin and niacin are formed from tryptophan. For every 60 mg of tryptophan, 1mg of niacin is obtained.

15 Phenylketonuria, tyrinosis, alkaptonuria and albinism are all metabolic defects involving phenylalanine and tyrosine.

16. Essential amino acids are threonine, valine, leucine, isoleucine, lysine, methionine, tryptophan arginine, phenylamine and histidine.

17. The number of net ATP produced from one molecule of glutamic acid is 25 ATP.