Annamalai University 2009-2nd Sem M.Sc Bio Informatics Second Semester Cell Biology - Question Paper

M.Sc. BioInformatics, 2009
(Second Semester)
(Paper-VII)
Subject - Cell Biology
Time: three Hours
Maximum: 100 Marks


ans any 5 ques.. (5×20=100)

1.a) Write an what are account on the structure and function of mitochondria. (15)

b) discuss the role of junctional complex in animal tissue. (5)

2.a) Comment on salient features of epithelial organizations of a cell. (10)

b) Differentiate endocytosis and exocytosis.(10)

3.a) Write in detail the ultrastructure of a typicalchromosome. (10)

b)Explain briefly the diffusion of substances through membranes. (10)

4.a) explain fluid mosaic model of plasma membrane. (12)

b)Describe the events occur in a cell during the prometaphase and anaphase. (8)

5.a) discuss the significance of various signaling molecules and their receptor. (12)

b)Discuss on Necrosis. (8)

6.a) provide an account on the nature and role of extra cellular matrix in the interaction of cell with the environment. (10)

b)Mention the sample preparation for transmission electron microscopy. (10)

7.a) Enumerate in detail the principle and applications of fluorescence microscopy. (12)

b)Discuss on Apoptosis. (8)

Earning:   Approval pending.