BSc Biotechnology Sem V 2018 2019 2019 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. Q1 a. Explain the following terms: (Any six) 6 marks
4. Q1 point
5. Q3 factors
6. Q4 senescence
7. Q6 Necrosis
8. Q7 Binary fission
9. Q8 phase
10. Q9 Cleavage divisions
11. Q1 b. Answer the following questions: (Any Two) 14 marks
12. Q1 Elaborate on the role of yeasts in the study of cell cycle based on
    • a. Budding and fission yeasts
    • b. Check points, Genes and MPF in yeast cell cycle
13. Q2 With reference to the early embryonic cell cycle and the role of MPF
    • a. Two Differences in Early embryonic cell cycle and standard cell MPF- Experimental evidences as a cytoplasmic regulator and oscillations in MPF activity
14. Q3 What is Apoptosis? Explain receptor mediated pathway of apoptosis instructed: (Any six) 06 What is a SH2 domain?
15. Q2 What do you mean by contact dependent signalling? any one class of G proteins Name any one layer in a simple neural network Fill in the blank: Kinases are enzymes which add a molecule to its substrate (cytokinin, phosphate, cytokine)
16. Q6 Give an example of an endogenous opiate
17. Q7 Give an example of a ligand
18. Q8 State true or False: Endocrine signalling involves secretion of signal
19. Q9 true or False: Ba** is a second messenger
20. Q2 b. Explain the following questions: (Any Two) 14 marks
21. Q1 Use of computer based networks in understanding complex cell
22. Q2 Second messengers with the help of two examples
23. Q3 Signal transduction pathway of GPCR’s with a diagram
24. Q3 a. Doas directed: (Any Six) 6 marks
25. Q1 What is a blastula?
26. Q2 State true or False: Cell potency describes the entire repertoire of cell types a particular cell can give rise in all possible environments
27. Q3 Killin the blank: 1s the source of Embryonic stem cells
28. Q5 is differential gene expression?
29. Q6 What is regulative development? Explain Fate Map Name any one method of constructing a Fate map What is embryonic induction in developmental biology? the following: (Any Two) 14 With reference to developmental biology:
    • a. Concept and Overview of developmental biology
    • b. Contribution of various disciplines in emergence of
30. Q2 With reference to gastrulation:
    • a. Types of cellular movements Germ layers and their derivatives
31. Q3 With reference to developmental biology:
    • a. Pattern formation
    • b. Cytoplasmic determinants Explain the following: (Any six) 06
32. Q1 Benign tumour
33. Q2 Sarcoma
34. Q3 critical genes
35. Q6 Adenocarcinoma
36. Q7 Angiogenesis
37. Q8 Tumour marker
38. Q9 Lymphoma
39. Q4 b. Attempt the following questions: (Any Two) 14 marks
40. Q1 Elaborate on tumour progression
41. Q2 Discuss the role of Rb gene and how its mutations contribute to
42. Q3 Give an account of chemotherapy used for cancer treatment Write Short notes on the following (Any four) 20
    • a. Caspases- Concept and its targets
    • d. Any one model organism in developmental biology
    • e. Metastasis- Concept and steps in metastasis
    • f. Role of viruses in cancer

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