M.B.B.S. EXAMINATION BIOCHEMISTRY PAPER-I

Explain the components of electron transport chain and the flow of electrons through them.  Add a note on inhibitors and uncouplers.

3+3+2+2=10

Define ‘glycogenesis’ and ‘glycogenolysis’.  Describe glycogenesis in detail.  How is it regulated?

2+5+3=10

WRITE SHORT NOTES ON:

5x4=20

Sickle cell haemoglobin

Therapeutic enzymes

Functions of cholesterol

Wald’s Visual cycle

Biochemical functions of Vitamin B12

WRITE BRIEFLY ON:

5x2=10

Metalloenzymes

Acute intermittent porphyria

Pyruvate dehydrogenase complex

Liposomes

Specific dynamic action