M.Sc. DEGREE EXAMINATION, NOVEMBER 2017.
First Semester
Biotechnology
Core 1 BIOCHEMISTRY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. What is meant by bioenergetics?
2. Define enthalpy and Entropy.
3. Write the importance of ATP.
4. What is c3 and c4 pathway?
5. Why are phospholipids capable of making a lipid bilayer
in the plasma membrane?
6. How does the ion pump transfer molecules?
7. What is beta oxidation of fatty acids?
8. What is metabolomics?
9. Define pH and temperature.
10. Define enzyme kinetics.
Sub. Code
501101
RW-830
2
Ws9
Part B x 5 25)
Answer all questions, choosing either or
11. How is Photosynthesis similar to c3 plants and
CAM plants?
Or
Explain Entropy, Enthalpy, Redox reactions and
free energy in biological reactions.
12. Write the function of ATP.
Or
Explain TCA cycle.
13. State the electrical properties of membranes with
an example.
Or
What are ion channels and pumps? Discuss its role
in membrane transport.
14. Explain the catabolic cycle of Carbohydrate.
Or
State the disorders of lipid metabolism.
15. Define enzyme and its classification.
Or
Define Enzyme immobilization.
RW-830
3
Ws9
Part C x 10 30)
Answer any three questions.
16. Write in detail about the composition, structure and
functions of biomolecules.
17. What is Photosynthesis and explain the light and dark
reactions taking place.
18. Write in detail about the transport mechanisms.
19. Explain de novo synthesis.
20. Write in detail about the mode of action and metabolic
functions of vitamins.
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