M.Sc. (Semester II) (CBCS) Examination Oct/Nov-2017
Biotechnology
CELL BIOLOGY
Day Date: Friday, 17-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: All questions of Section I are compulsory.
Answer any Four questions from section II.
All question carry equal marks.
Draw neat and labeled diagrams wherever necessary.
Section I
Q.1 Rewrite the sentence after choosing the correct from the given 07
In prokaryotic cells is commonly present.
Histone Plasmid
Nuclear envelope Nucleus
N-acetyIneuraminic acid is also called as
Muramic acid Guanylase cyclase
Ascorbic acid Sialic acid.
The arrangement of microtubules in eukaryotic flagella is referred to as

Undulating Basal
9+2 Ciliary
Many surface proteins are anchored by
Nonpolar fatty acids Nonpolar amino acids
Polar amino acids Polar fatty acids
The surrounds the cell like a belt, preventing the passage of
substances between the cells.
Tight junction Gap junction
Desmosome Hemidesmosome
Binding of epinephrin to a G protein-linked receptor causes adenylyl
cyclase to produce large amount of
A-kinase cAMP
phospholipase C inositol triphosphate
If gametes have 8 chromosomes, the cell resulting from syngamy will
have chromosomes.
8 4
2 16
Define the terms 07
Apoptosis
Dynein
Desmosomes
Plasma membrane
Intracellular Protein trafficking
Protein Tyrosine Kinase.
Cell cycle check points.
Page 2 of 2
SLR-ME-98
Section II
Answer any four the following
Q.2 Write about microfilaments and its motor protein activity in muscle contraction and
relaxation.
14
Q.3 Explain difference between somatic cell division and sex cell division. 14
Q4 Describe Structural and function capitalization of Cell organelles-chloroplast. 14
Q5 Answer any two from the following 14
Add a note on 'Tight junction'.
Write a note on 'ATP dependent Membrane transport'.
Explain Ras-MAP Kinase pathway
Q.6 Write short notes on (any two) 14
Add a note on 'G-protein-Coupled receptors'.
Describe 'Calcium as an intracellular messenger'.
Explain 'Fluid Mosaic Model'.