Master of Science I (Zoology) Examination: Oct Nov 2016
Semester I (Old CBCS)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR SN
722
Monday
21/11/2016
10.30 AM
to
01.00 PM
Cell and Molecular
Biology
C
III
Instructions: Q.1, 2 6 are compulsory.
Answer any two questions from Q.3, 4 5
Total Marks: 70
Q.1 Multiple choice questions (per question 2 marks) 14
The Principal Structural element of the mitotic spindle are
Intermediate filament Microfilament
Microtubules Myosin
The wall of a microtubule is composed of protofilaments.
twelve thirteen
fourteen fifteen
Which of the following cell components is not part of cytoskeleton of
eukaryotic cell
Microfilament Mitochondria
IF Microtubules
The tubulin dimmers in a protofilament are arranged in the sequence of
alfa beta alfa beta alfa beta alfa alfa beta beta alfa alfa
beta beta alfa alfa beta beta beta alfa beta alfa beta alfa
Microfilaments are composed of
Actin Actin Myosin
Myosin Cellulose
Microtubules are involved directly in all the following presence except

motion of whole cells via flagella
movement of mitotic spindle
transport of small vesicle within the cytoplasm
Amoeboid motion
Compared to the microfilaments, intermediate filaments are
Less stable in detergent and high salt
always less abundant regardless of cell type
More easily dissociated by cytochalasin
more cell type specified
Page 1 of 2
Q.2 Give an account Cytoskeleton. Add a note on Structure and Dynamics of Cilia. 14
Q.3 Answer the following:
Properties of Cancer cell 07
Actin-binding proteins 07
Q.4 Explain the following:
Collagens 05
Biomembranes 05
Transport across epithelia 04
Q.5 Explain in short:
Cell matrix and cell matrix adhesion 07
Protein synthesis on free and bound polysomes 07
Q.6 Write short notes on any Four of the following: 14
Cell junctions
Biogenesis of mitochondria
Intermediate filaments: Structure and functions
Centriole
Flagella
Actin-binding proteins