Protein MCQs Part 11

1. The end product of protein digestion in G.I.T. is

• Dipeptide
• Tripeptide
• Polypeptide
• Amino acid

2. Natural L-isomers of amino acids are absorbed from intestine by

• Passive diffusion
• Simple diffusion
• Faciliated diffusion
• Active process

3. Abnormalities of blood clotting are

• Haemophilia
• Christmas disease
• Gout
• Both (A) and (B)

4. An important reaction for the synthesis of amino acid from carbohydrate intermediates is transamination which requires the cofactor:

• Thiamin
• Riboflavin
• Niacin
• Pyridoxal phosphate

5. The main sites for oxidative deamination are

• Liver and kidney
• Skin and pancreas
• Intestine and mammary gland
• Lung and spleen

6. A positive nitrogen balance occurs

• In growing infant
• Following surgery
• In advanced cancer
• In kwashiorkar

7. The main site of urea synthesis in mammals is

• Liver
• Skin
• Intestine
• Kidney

8. The enzymes of urea synthesis are found in

• Mitochondria only
• Cytosol only
• Both mitochondria and cytosol
• Nucleus

9. The number of ATP required for urea synthesis is

• 0
• 1
• 2
• 3

10. Most of the ammonia released from L-Alpha- amino acids reflects the coupled action of transaminase and

• L-glutamate dehydrogenase
• L-amino acid oxidase
• Histidase
• Serine dehydratase

Score =

Correct answers:

Protein MCQs Parts => 1.. .. 10.. 11..

Share this

AEI Online Tutor