Bangalore University 2008 M.Sc BioTechnology BTP 104: Biomolecules - Question Paper

first Semester M.Sc. Degree Examination, January 2008
Biotechnology
BTP 104 : Biomolecules

Time:3 Hours Max. Marks: 80

part A

write brief notes on any 5 of the following: [5*3]

1.Flavanoids.

2.Sialic acid.

3.Triple helix.

4.Lecithin.

5.UV absorption spectra of amino acids.

6.Hyper chromicty of DNA.

7.Pepide bond.

part B

ans any 4 of the following: [4*5]

8. explain the bonds involved maintenance of secondary structur of proteins .

9. explain acid base properties of amino acids.

10.Explain Ramachandran's plot.

11.Discuss ionic product of water and the concept of PH.

12.Write a note on Beer-Lambert's legal regulations and it's applications.

13.Describe the structure of tRNA.

part C

ans any 3 of the following: [3*15]

14.Describe the A and z forms of DNA. Elucidate the differences ranging from A, B and z forms.

15.Describe the structure and functions of polysaccharides.Add a note on the differences ranging from starch and glycogen.

16.Discuss the principle, kinds and applications of electrophoresis.

17.Explain the techniques of X ray crystallography and its applications.

18.Elaborate on the classification and properties of lipids.

Earning:   Approval pending.