BSc Biotechnology Sem III ATKT BIOTECH CELL BIOLOGY & 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 an example protein associated with microtubules
6. Q2 State true or false:- Taxol is.an example of drug targeting microtubules
7. Q3 Give an example of Dynein-driven cargo
8. Q4 State true or false: Tubulin and Fimbrin are the proteins involved in sliding
9. Q5 State true or false: Cilia and flagella move because of the interactions of a set of microtubules inside. Collectively, called as an "axoneme"
10. Q6 An abnormally high level of phosphorylation of one particular MAP called , has been associated with several fatal neurodegenerative
11. Q7 Give one example of an intermediate filament
12. Q8 Name one energy dependent transport process used by microbes for uptake
13. Q9 Fill in the blank: Adherens junctions and desmosomes are formed by transmembrane adhesion proteins that belong to the family
14. Q10 State true or false: Diffusion involving carrier proteins is called passive
15. Q12 Fill in the blank: The cell coat can be stained with for the light
16. Q13 Define: Antiport
17. Q14 Give an example of facultative heterochromatin What is a Karyotype? Paper Subject Code: 80604 Cell Biology and Cytogenetics
18. Q16 How would you calculate interference value if the coefficient of
19. Q17 State true or false: Polytene chromosomes are giant chromosomes common to many dipterans
20. Q18 Which are the group of proteins involved in packing of chromosomes?
21. Q19 State true or false: A normal human male individual has one Barr body
22. Q20 What is paracentric inversion? Explain the role of microtubules in mitosis and locomotion. 08 What are intermediate filaments? Explain the assembly of intermediate 07 Give the overview of the functions of cytoskeleton. 08
23. Q2 D_ Give the structure and function of myosin. Describe in detail the working of Na*-K* pump 08 Explain group translocation in bacterial cells using a suitable example. 07 Give an account of structural organisation and functions of gap junctions 08 Elaborate on the significance and types of ionophores with the help of 07 7 marks
24. Q4 A Diagrammatically explain chromosomal deletions and duplications. Explain with an example XX-XY mechanism of sex determination. 07 Solve:- A researcher working on a Neurospora crassa strain found that the 08 mutant strain required histidine and tryptophan (his and trp) for growth. He mated this strain to a wild type of strain (his+ and trp+ ). He scored the obtained products as follows Paper Subject Code: 80604 Cell Biology and Cytogenetics 8 marks
    • a. Compute the distance between the centromere and two genes Discuss the cytogenetics and any four characteristics of Turner and 07 Write Short any three of the following 15
    • a. Treadmilling of microfilaments
    • b. Facilitated diffusion in prokaryotes
    • c. Adherens junctions
    • d. Downs Syndrome
    • e. Pedigree analysis- Sign, symbols and importance

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