BSc Biotechnology Sem II 2011 2014 2014 Paper II Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 of intermediate filament all 3 marks
2. Q2 are proteins th called the is ob in ani that function to ind observed in animal cells 5 induce and exit from M ph the cell’s geneti phase in eukaryotic cells . c from the surrounding cytoplasm
3. Q4 Arrest at cell enters in S phase. Pont allows repair of damage to take place before the
4. Q5 The enzymes of TCA cycl cycle and catabolism of fatty acids are located in the matrix of
5. Q6 are called power house of the cell
6. Q1 What are nucleosomes ? Explain the interal organization and functions of
7. Q2 Draw the detailed structure of mitochondria and mention where the organelles’ energy trapping system is located
8. Q3 Elaborate on the role of protein kinases in regulating the cell cycle
9. Q4 Describe the different phases of an eukaryotic cell cycle
10. Q11 (A) State whether the following statements are true or false (any five) 5 marks
11. Q1 Peptide bonds join amino acids together to form proteins
12. Q2 are involved in globular protein structure formation
13. Q3 Phospholipid is an example of structural lipids 4, Hydrphobic bonds stabilize the secondary structure of
14. Q5 Amino acids are classified on the basis of “R’ group attached to It
15. Q6 Isoelectric pH is the pH at which cations become
16. Q7 Phospholipids are amphophillic
17. Q8 Glycine is the rigid aminoacid in concern with its structure
18. Q9 In peptide chain 9 — bond is present between C- N
19. Q10 Phospholipids forms bilayer in contact with water
20. Q11 Enzymes are the catalyst in biological reactions
    • (B) Explain the following (any two) | a
21. Q1 Role of fattyacids in maintaining membrane fluidity. ve
22. Q2 General characteristics of proteins
23. Q3 Structure of keratin with suitable diagram
24. Q4 Ninhydrin reaction of amino acids and its significance
    • (A) Fill in the blanks (any five)
25. Q1 Stomach barrier 2 Skin consists of layers
26. Q3 In gastro-intestinal tract, is kept lower to inhibit pathogens
27. Q4 Epithelial walls of stomach are dotted with immunity requires prior exposure to antigens
28. Q6 Sebum consists of lactic acid and acid are devoid of sebaceous glands Turbulence filter in respiratory tract removes particles as small] as 9 Lactoferrin in milk chelates
29. Q10 cells secrete HC] in stomach
    • Q. (B) Discuss the following (any two) 10
30. Q1 Explain acquired immunity
31. Q2 What are antigens ?
32. Q3 Explain physiological barrier with respect to innate immunity
33. Q4 What are the different classes of antibodies ?
34. Q1 V Write short note on (any three) of the following . 15 marks
35. Q2 START
36. Q3 Active site of enzymes
37. Q4 Secondary structure of proteins

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