DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2017.
Non-Semester
CELL AND MOLECULAR BIOLOGY
Time Three hours Maximum 100 marks
PART A — 8 40 marks)
Answer any FIVE questions.
1. Write the functions of mitochondria.
2. Differentiate microtubules and microfilaments.
3. Give an account on eukaryotic replication.
4. Write the properties of bacterial RNA polymerase.
5. Write the formation of initiation complex.
6. Write the protein biosynthesis in prokaryotes.
7. Write notes on steroid receptors.
8. Write a note on Cadherin and autophagy.
PART B — 15 60 marks)
Answer any FOUR questions.
9. Differentiate mitosis and meiosis.
10. Describe the structure and functions of a nucleus.
Sub. Code
12
DE-752
2
wk11
11. Explain the synthesis of leading and lagging strands.
12. Discuss the concept of operon.
13. Explain the eukaryotic transcription.
14. Write the functions of
Cell membrane
Chromosomes
Lysosomes.
15. Explain the ways in which hormones affect the
expression of a gene.