M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Zoology
CELL AND MOLECULAR BIOLOGY
Day Date: Tuesday, 21-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Question number 2 and 6 are compulsory.
Attempt any two from Question No. 4 and 5.
Q.1 Multiple choice questions. (Per question 2 marks) 14
Mosaic pattern of plasma membrane is due to
Carbohydrates Lipids
Proteins Sterols
In facilitated diffusion the glucose transporter is a carrier.
Uniport Symport
Antiport Multiport
Rough endoplasmic reticulum is chiefly concerned
Drug detoxification Protein Synthesis
Carbohydrate metabolism Calcium storage
Integral protein of plasma membrane are synthesize on
Free Ribosomes Rough ER
Golgi apparatus Lysosomes
vescicle transport the secretory products from the ER to
Golgi complex.
Clathrin coated COP II
Primary COP I
A tubulin protein is a
Monomer Heterodiomer
Trimer Tetramer
The kinesin are the motor molecules that are related to
Intermediate filaments Microfilaments
Microtubules Myosin filaments
Q.2 What is the passive and active transport? Describe facilitated passive transport
with suitable example.
14
Q.3 Answer the following.
Describe Na+ ATPase. 07
What are microtubule organizing centers? Add a note on the role of
microtuibules during mitosis.
07
Q.4 Explain the following.
Describe the role of actin filaments during amoeboid movement. 05
Describe the structure of Kinesin and their role in the cellular movements. 05
Describe the structure of nucleus. 04
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SLR-MT-676
Q.5 Explain in short
What are the cell junctions? Add a note on desmosomes. 07
Describe post translational modification of proteins. 07
Q.6 Write short notes on any four of the following: 14
Functions of Golgi apparatus.
Gap junction.
Plasmodesmata.
Collagen
Integrins
Tight junction