M.Sc. (Semester II) (CBCS) Examination Mar/Apr-2018
Biotechnology
CELL BIOLOGY
Time: 2½ Hours
Max. Marks: 70
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
is absent in prokaryotic cell membrane.
Cholesterol
Phospholipid
Glycolipid
Glycorotein
Inner pH of lysosome is
1
3
5
2
Proteins synthesized by the rough ER are
For internal storage
To build membranes in the cell
For internal regulation only
Exported from the cell
In each cycle the sodium-potassium pumps transfer
Three sodium ions out and two potassium ions in
Two potassium ions in and two sodium ions out
One sodium ion out and one potassium ion in
One potassium ion out and two sodium ions in
One protein kinase cascade begins with the phosphorylation of the
Sap protein
Tap protein
Ras protein
Gat protein
Plasmodesmata connect
Action fibers of one cell to the extracellular matrix of another
The cytoplasm of one plant cell to that of another
To intermediate fibers of the cytoskeleton
Cells of a tight junction like a belt
Crossing-over can occur between homologues during
Zygotene
Leptotene
Pachytene
Diplotene

Define the terms
07
Cell compartments
Cytoskeleton
Integral Protein
Gap junction
Meiosis
Calmodulin
Eukaryotic cell
Page 2 of 2
SLR-UE-89
Section II
Answer any four of the following:
Q.2
Explain Signal transduction in regulation of glucose level.
14
Q.3
Explain 'Vesicular transport from Endoplasmic reticulum of Golgi apparatus.'
14
Q.4
Describe Structural and functional capitalization of Cell organelles Lysosome.
14
Q.5
Answer any two from the following
14
Add a note on 'G-protein-Coupled receptors'.
Write a note on 'Kinesin'
Explain Cell cycle check point.
Q.6
Write short notes on (any two)
14
Add a note on 'Myosin'.
Explain 'Cell Matrix interaction'.
Explain structure of microtubules in cilia and flagella.