BSc Biochemistry Sem III 2015 2016 2016 BIOCHEMISTRY 1 Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 Figures to right indicate marks,
2. Q1 A. Answer the following :(any 4) 8 marks
3. Q1 What do you mean b i ) How does substrate concentration affect enzyme reaction rate? do you mean by prosthetic =
4. Q7 Give name and type of reaction catalysed by enzyme having Ist E.C no 2 and 5 marks
5. Q8 Explain the term Keat=Vmax/[E]t
   • B. Explain the following : (any 2) note on double reciprocal plot 6
6. Q2 Write a note on specific activity of enzyme
7. Q4 Explain irreversible inhibition, with example Answer in brief :(any 1)
8. Q1 Derive the Michaelis-Menten equation
9. Q2 Explain enzyme specificity. Mention drawback of Michaelis-Menten equation
   • A. Answer the following (any 4)
10. Q1 What is exocrine gland; give e.g?
11. Q2 Define peptide hormones, give
12. Q3 State the location of hypothalamus gland?
13. Q4 Write down the chemical structre of cytokinine
14. Q5 Write down the
15. Q6 What is parthenocarpy?
16. Q7 Write down a brief note on fat soluble hormone receptor
17. Q8 Shortly describe about ACTH
    • B. Explain the following (any 2)
18. Q1 Explain upto cyclic AMP production in G protein coupled receptor
19. Q2 Write down the structure of vessopresin and state its function
20. Q3 Write down the structure of auxin and state its any three functions
21. Q4 State the incidence occurs during ovulatory phase of overian cycle
    • C. Answer in brief (any 1) !) State briefly about production of thyroxine
22. Q2 How does gibberellins help in horticulture
    • A. Answer the following : (any four)
23. Q1 What is Titration curve ? = 2) What is monoproticacid ?give one example,
24. Q4 Define physiological buffer
25. Q6 What is pKa
26. Q7 Give pK values of lysine :
27. Q8 Define isoelectric pH
    • B. Explain the following : ( Any two)
28. Q1 Explain the ionization of Valine
29. Q2 Explain hemoglobin as a physiological buffer
30. Q3 ‘ Water has neutral pH justify the statement with suitable derivation Answer in brief : (any one) [6] =
31. Q1 Explain the titration of Aspartic acid with suitable graphical representation
32. Q2 Calculate the pH of a buffer composed of 0.1M acetic acid (CH3COOH) and 0.6M acetate (CH3COO-) knowing that the acid dissociation constant Ka is
33. Q1 V] 1.(A) Answer the following (any one) 1, (B) Fill up the blanks: (any three) - [3]
34. Q2 According to E.C number 2 denotes group of
35. Q4 _ give the namevitalism(Edward Buchner/James Sumner/Louis Pastuer)
36. Q5 to enzyme at binding
37. Q6 Oxydation reduction type of reaction catalysed
38. Q1 V] 2.(A.) Answer in following .(any one) 1), State function of ethylene . 2). State function of progesteron 2.(B.) Fill up the blanks : (any three) [3] 2 marks
39. Q1 Other name of ADH is diuretic hormone/anti diluting
40. Q2 Progesteron secrets from the cells of overy.(graffian follicle/Corpus
41. Q3 Fruit produced by without fertilization is called
42. Q4 Hyperthyroidism cause
43. Q5 Dopamine is
44. Q6 CyclicAMP is a (second messenger/ first messenger/ tertiary
45. Q1 V] 3.(A.) Answer the following : (any one) 2 marks
46. Q1 Give one example of acidic amino acid with structure
47. Q2 Give pI value of Glycine 3.(B.) Fill up the blanks :(any [3]
48. Q2 pKr value of lysine is (2.2 /9.1 /10.5 )
49. Q3 is the simplest amino acid ( Proline lysine
50. Q4 If the pH of Tris buffer is 12 then the ion concentration of
51. Q5 The molecule A has neutral charge at pH 4, so its pK has to 10/4)

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