BSc Biotechnology Sem III 2018 2019 Oct 2019 BIOTECH CELL BIOLOGY AND CYTOGENETICS Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1. Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 Use of log tables and non-programmable calculator is allowed
3. Q5 and Q4 attempt A and B OR C and D
4. Q1 Do as directed (Any fifteen) 15 marks
5. Q1 Give any one property of Microfilaments
6. Q2 Define: Myofibrils
7. Q3 State true or False: Actin utilized GTP to form microfilaments
8. Q4 Give an example of a microfilament
9. Q5 Give an example of motor protein
10. Q6 Give the role of Titin in skeletal muscles
11. Q7 The movement of Kinesin on a microtubular track is
12. Q8 Give one example of P-type transport ATPase
13. Q9 Define: Siderophores
14. Q10 State true or false: Large molecules, ions and polar substances do not cross membranes by passive diffusion
15. Q11 Give one example of Glycosaminoglycans
16. Q12 Define: Symport
17. Q13 Fill in the blank: Focal adhesions and hemidesmosomes are formed by transmembrane adhesion proteins of the family 14, What is a nucleosome?
18. Q15 State true or false: Karyotype is the chromosome complement of the cell
19. Q16 How would you calculate interference value if the coefficient of
20. Q17 An individual is doubly heterozygous for the w and z alleles. How will you arrange these alleles in a cis- configuration?
21. Q18 State true or false: An individual with a Turner syndrome is phenotypically Paper Subject Code: 80604 Cell Biology and Cytogenetics
22. Q19 State true or false: In Drosophila, if there are two X chromosomes in a diploid cell (2X:2A), the fly is female
23. Q20 What is an aneuploidy? What is a cytoskeleton? Give an overview of its functions. 08 Discuss the motor proteins associated with microtubules. 07 Elaborate on actin binding proteins. 08 What are intermediate filaments? Give its types. 07 an account of structural organisation and functions of tight junctions Discuss the functions of cell coat 07 Describe any two transport processes associated with the uptake of 08 nutrients by the prokaryotic cells
24. Q3 D__ Discuss the role of proteoglycans as a component of extracellular matrix Solve:- A Neurospora crassa strain that required leucine and lysine (leu 08 and lys) for growth was mated to a wild type of strain (leu+ and lys+ ) following products were obtained Paper Subject Code: 80604 Cell Biology and Cytogenetics 7 marks
    • a. Compute the distance between the centromere and two genes
25. Q4 B the cytogenetics and any four characteristics of Trisomy21 and What are chromosomal aberrations? Explain with an example deletion, 08 duplication, inversion and translocations Discuss Pedigree analysis involves Signs and Symbols with suitable 07 Write Short notes on any three of the following 15 d ZZ-ZW mechanism of sex determination e Euchromatin and heterochromatin 7 marks

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