B.E/B.Tech(Full Time) DEGREE END SEMESTER EXAMINATIONS, NOV/DEC 2009
IBT,FOOD AND PHARMACEUTICAL TECHNOLOGY BRANCH
THIRD SMESTER -(REGULATION 2008)
IB 9204-CELL BIOLOGY
Instruction- 11th question is compulsory
Answer all the questions
Part - A (10*2=20)
1.Name the three types of motor proteins in a cell.
2.Function of microtubule associated proteins?
3.What is the analogue of actin gene in prokaryotes? Why do we call it an analogue?
4.Name the three subunits of troponin and their functions?
5.Differentiate antiportes and symporters
6.What are caspases?What is their function?
7.What is the use of density gradient centrifugation?
8.Differentiate between tight junctions and gap junctions.
9.Mention thr important charecteristics of GTPase switch proteins.
10.When fused with an S phase cell,cells in which of the following phases of the cell cycle will initiate DNA replication prematurely? G1?
G2? M? Why?
PART - B (5*16=80)
11.(i) Explain the different classes of cell surface receptors.Mention the salient points in cell signalling.[Marks 8]
(ii)Mention in detail the functioning of GPCR with an example. [Marks 8]
12.a) Detailed structure of the plasma membrane.
or
b) The structure and function of different cytosolic receptors
13.a)Detailed structure of ECM
or
b)Importance of P53 as the master regulator in cell cycle.Mention with reference to specific cell cycle check points.
14.a)Mention the different classes of ion pumps.explain the working of sodium potassium pump.
or
b)The role of calcium ion in muscle contraction.
15.a)Signal crosstalk between the different pathways with any specific example.
or
b)The different secondary messenger molecules in the cell and their role in signal amplification.
KEYWORDS:CELL BIOLOGY,2009 ANNA UNIVERSITY CHENNAI B.TECH FOOD TECHNOLOGY END SEMESTER EXAMINATION,NOV/DEC 2009,CELL BIOLOGY QUESTION PAPER,ANNA UNIVERSITY B.TECH FOOD TECHNOLOGY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS
IBT,FOOD AND PHARMACEUTICAL TECHNOLOGY BRANCH
THIRD SMESTER -(REGULATION 2008)
IB 9204-CELL BIOLOGY
Instruction- 11th question is compulsory
Answer all the questions
Part - A (10*2=20)
1.Name the three types of motor proteins in a cell.
2.Function of microtubule associated proteins?
3.What is the analogue of actin gene in prokaryotes? Why do we call it an analogue?
4.Name the three subunits of troponin and their functions?
5.Differentiate antiportes and symporters
6.What are caspases?What is their function?
7.What is the use of density gradient centrifugation?
8.Differentiate between tight junctions and gap junctions.
9.Mention thr important charecteristics of GTPase switch proteins.
10.When fused with an S phase cell,cells in which of the following phases of the cell cycle will initiate DNA replication prematurely? G1?
G2? M? Why?
PART - B (5*16=80)
11.(i) Explain the different classes of cell surface receptors.Mention the salient points in cell signalling.[Marks 8]
(ii)Mention in detail the functioning of GPCR with an example. [Marks 8]
12.a) Detailed structure of the plasma membrane.
or
b) The structure and function of different cytosolic receptors
13.a)Detailed structure of ECM
or
b)Importance of P53 as the master regulator in cell cycle.Mention with reference to specific cell cycle check points.
14.a)Mention the different classes of ion pumps.explain the working of sodium potassium pump.
or
b)The role of calcium ion in muscle contraction.
15.a)Signal crosstalk between the different pathways with any specific example.
or
b)The different secondary messenger molecules in the cell and their role in signal amplification.
KEYWORDS:CELL BIOLOGY,2009 ANNA UNIVERSITY CHENNAI B.TECH FOOD TECHNOLOGY END SEMESTER EXAMINATION,NOV/DEC 2009,CELL BIOLOGY QUESTION PAPER,ANNA UNIVERSITY B.TECH FOOD TECHNOLOGY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS