BSc Biotechnology Sem III 2019 2020 Oct 2020 BIOTECH CELL BIOLOGY 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 ForQ2,Q3 and Q 4 attempt A and B OR C and D
4. Q1 Do as directed (Any fifteen)
   • l. Give an example of one drug targeiing micrctubule Explain the term — nucleation = 3, State true false: the movement of dynein on a microtubular track is 4, What is the function of profilin? Give the significance of tau protein
5. Q6 is a nucleating protein of actin filament Name the protein associated with actin filaments
6. Q8 Define facilitated 9, protein is present in periplasmic space of gram-negative bacteria in ABC transporter 4 Give any one function of tide junction Name the adhesion protein involved in the formation of
7. Q13 Give any one function of gap junction
8. Q14 Give any one function of extracellular matrix
9. Q15 How would you calculate interference value if the coefficient of
10. Q16 Define aneuploidy An individual is doubly heterozygous for the w and Arrange the alleles in a trans configuration
11. Q18 | How would you calculate Barr body if the individual is
12. Q19 | Name caused due to nondisjunction
13. Q20 State true or false. An individual with a Turner syndrome is State the different functions of cytoskeleton. 08
14. Q2 B_ Elaborate on the polymerization of intermediate filaments. 7 marks
15. Q2 C_ Elaborate on the structure and function of Kinesin. Give an account on the on and off rates and critical concentration in 07 Describe passive transport and active transport in prokaryotic cell. 08 Explain the structure and working of K+ pump. 07 8 marks
16. Q3 C Explain anchoring junction and elaborate on different forms of anchoring 8 marks
17. Q3 D_ Explain in detail about cell coat. 7 marks
18. Q4 A Define chromosomal mutation? Explain chromosomal structure mutations with an example each Discuss the cytogenetics and general characteristics of Trisomy 21 and 07 8 marks
19. Q4 C What is polyploidy? Describe its types. 8 marks
20. Q4 D_ Drosophila testcross, the number of each phenotype obtained was 7 marks
    • i. Find the parental genotype of the Drosophila
    • ii. Make a map of these genes, showing their order and the distances Derive the coefficient of coincidence for interference between the
21. Q5 Short notes on any three of the following
    • a. Extracellular matrix Structure of microtubule
    • d. Y-linked inheritance Euchromatin and heterochromatin

Read from the scan above, so a character or two may differ. The scan is the original.