Discuss the types of enzyme cofactors that are required for the efficient activity for enzymes.

5

(a)

What is the concept of metabolism? What are the metabolic basis for living?

5

(a)

(i) Identify the structure shown in figure.
(ii) Write the measurement (distance) of the parts marked (A), (B), (C).

(iii) How many H-bonds are there at the place marked as(6)?
(iv) Which form of DNA is shown in the figure?
(v) Whether B type DNA has left-handed spiral structure or right-handed?

5

(a)

Illustratea glycosidic, peptide and a phosphodiester bond.

5

(a)

Find and write down structures of 10 interesting small molecular weight biomolecules. Find if there is any industry which manufactures the compounds by isolation. Find out who are the buyers.

5

(a)

Give a detail explanation of structure of protein.

5

(a)

What are factors which affect action of enzyme? What is lock and key model and induced fit model?

5

(a)

Explain the nature of bonds linking monomers in a polymer.

5

(a)

Describe the concept of metabolism. What are anabolic and catabolic pathways?

5

(a)

Describe the mechanism of enzymatic action.

5

(a)