M.Sc.(Zoology) (Semester Examination, 2017
CELL AND MOLECULAR BIOLOGY
Day Date: Saturday, 22-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B.: Question number 1,2 and 6 are compulsory.
Attempt any two from Question No. 3,4 and 5
Q.1 Multiple choice questions(Per question 2 marks): 14
Protein-Lipid-Protein or Sandwich model of plasma
membrane was proposed
Overtone.
Gorter and Grendel.
Davson and Danielli.
Robertson.
In the fluid Mosaic model, the fluidity of the membrane is
maintained
Lipids.
Proteins.
Carbohydrates.
Glycoproteins.
Mosaic pattern of plasma membrane is due
Carbohydrates.
Lipids.
Proteins.
Sterols.
Simple diffusion is limited to the molecules such
Oxygen
Fatty acids
Glucose.
Amino acids.
In facilitated diffusion the glucose transporter is
carrier.
Uniport.
Symport.
Antiport.
Multiport.
Page 1 of 2
The pump is the example ATPase.
P-type.
V-type.
F-type.
ABC-type.
Rough endoplasmic reticulum is chiefly concerned

Drug detoxification
Protein Synthesis.
Carbohydrate metabolism.
Calcium storage.
Q.2 Describe the various models regarding the structure of
structure of the Plasma membrane.
14
Q.3 Answer the following
What is antiport transport? Example it with suitable example. 07
Describe ATPase. 07
Q.4 Explain the following
Describe the structure and function of lysosomes. 05
Fluid mosaic model 05
Describe the structure of nucleus. 04
Q.5 Explain in short
Describe the structure of Kinesin and their role in the
cellular movements.
07
What are the cell junctions? Add note on desmosomes. 07
Q.6 Write short notes on any four of the following: 14
Transport across gastric epithelium
Mitochondria
Golgi apparatus.
Functions of Endoplasmic reticulum
Centriole
Hemidesmata.