DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2016.
CELL AND MOLECULAR BIOLOGY
Time Three hours Maximum 100 marks
PART A — × 8 40 marks)
Answer any FIVE questions.
1. Write the functions of endoplasmic reticulum.
2. Compare mitosis and meiosis.
3. Write a note on the replication of DNA.
4. Write the properties of prokaryotic and eukaryotic DNA
polymerase.
5. Discuss the structure of ribosomes with diagram.
6. Write the properties of bacterial RNA polymerase.
7. Give an account on reverse transcription.
8. Write a note on DNA binding motifs in prokaryotes.
PART B — × 15 60 marks)
Answer any FOUR questions.
9. Differentiate prokaryotic and eukaryotic cells in detail.
10. Explain the structure and functions of mitochondria with
a neat sketch.
11. Describe the mechanism of replication and its origin.
Sub. Code
12
DE-3930
2
wk4
12. Explain protein synthesis, chain elongation, translocation
and termination.
13. Write the properties of RNA polymerase II, III in
detail.
14. Compare the biosynthesis of proteins in prokaryotes and
eukaryotes.
15. Write notes on
Hormonal regulation of gene expression
Transcription factors
Steroid receptors.