Fundamental of Biochemistry (CBCS 3rd sem)Zoology ,C-7,2022

 Fundamental of Biochemistry (CBCS 3rd sem)Zoology ,C-7,2022

L.T.K College

1

2. (a) Distinguish between (any two):

3x2=6

(i) Saturated and Unsaturated fatty

acids

(ii) Phospholipid and Glycolipid

(iii) Allosteric enzymes and Isozymes

(b) Draw the structures and write the significance of the following (any two):

3x2=6

(i) Disulphide linkage

(ii) Phosphodiester linkage

(iii) Peptide bond

(iv) Cot curve

3. Define Vmax and Km of an enzyme catalyzed reaction. Describe the mechanism of action of an enzyme catalyzed reaction.

2+7=9

Or

Write an explanatory note on different types of enzyme inhibition. Describe the faetor affecting enzyme activity

6+3=9

4. Write a comparative account on structures of A, B and Z forms of DNA. the

9

Or

Draw labelled diagrams of (a) tRNA and (b) nitrogenous bases of RNA.