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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc. DEGREE EXAMINATION ADVANCED ZOOLOGY AND BIOTECHNOLOGY
FIFTH SEMESTER APRIL 2016
AZ 5512 CELL BIOLOGY
Date: 26-04-2016 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART A
ANSWER ALL QUESTIONS: (10 x 2=20 marks)
1. What is TEM?
2. Cell Theory.
3. Autoradiography.
4. Cristae.
5. Phagocytosis.
6. Vital Staining.
7. Active Transport.
8. Centrioles.
9. ATP
10. Oncogenes.
PART B
ANSWER ANY FOUR IN BRIEF: x 10=40 marks)
11. Describe the principle of a Phase contrast microscope.
12. Differentiate a Prokaryote from a Eukaryote.
13. Give an account on the functions of Golgi apparatus.
14. Describe an interphase nucleus.
15. Explain the properties of cancer cell.
16. Describe the different stages of Lysosomes.
PART C
ANSWER ANY TWO IN DETAIL: x 20=40 marks)
17.Describe the ultra-structure and functions of endoplasmic reticulum.
18.Explain the functions of Mitochondria.
19.Describe the structure and importance of giant chromosomes.
20.Give an account on protein synthesis.