Exam Details
| Subject | Biochemistry | |
| Paper | ||
| Exam / Course | Bachelor Degree Programme(Elective Course: Chemistry) | |
| Department | School of Sciences (SOS) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 8 ICHE-091
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
June, 2016
00147
CHEMISTRY
CHE-09 BIOCHEMISTRY
Time: 2 hours Maximum Marks: 50
Note: Answer any five questions. All questions carry equal marks.
1. Fill in the blanks in the following: 3
Fatty acid oxidation takes place in .
Glycolysis of each glucose residue of glycogen leads to a net generation of molecules of ATP.
is the major immunoglobulin in normal human serum.
Give any four differences between prokaryotes and eukaryotes. 4
What are isoenzymes Explain giving one example. 3
2. Write one scientific contribution of any four of the following: 4
Hershey and Chase
Northrop and Kunitz
S.J. Singer and G.L. Nicolson
Melvin Kelvin
Watson and Crick
Give one difference (structure and function) between any three of the following:
Glycogen and Cellulose
Lipoprotein and Prostaglandin
a-helix and B-pleated sheet
Deoxyribonucleic acid and Ribonucleic acid 6
3. What is metastasis Why is it life threatening? 2
Why is ATP called the energy currency of a living cell 3
What are the forces stabilising the tertiary structure of proteins 2
How is pyruvate metabolised under different physiological conditions? 3
4. Name the coenzyme form of vitamin B5. Write the structure of this coenzyme. 3
What is genetic code? Give any three salient features of the genetic code. 4
Explain the mode of action of streptomycin and puromycin. 3
5. Write the structures of any four of the following: 4
Adenosine
Sucrose
Glutamine
Phosphatidylcholine
Nicotinic acid
Acetyl CoA
Name any four factors that modify the immune response and describe in brief any one of these. 4
Define melting point of DNA. What are the factors affecting it 2
6. Humans can convert glucose into fatty acids but cannot convert fatty acids into glucose. Explain why. 3
What is substrate level phosphorylation? Give an example. 3
Give the names of any two fat soluble and water soluble vitamins and one disease each caused by their deficiency. 4
7. Explain the term enzyme immobilization. Write any one method used for immobilization of enzymes. 4
Describe the similarities between DNA replication and RNA transcription. 3
Write the role of thylakoid membrane and stroma in the photosynthetic process. What are the products formed in the light reactions of photosynthesis? 3
BACHELOR OF SCIENCE (B.Sc.)
Term-End Examination
June, 2016
00147
CHEMISTRY
CHE-09 BIOCHEMISTRY
Time: 2 hours Maximum Marks: 50
Note: Answer any five questions. All questions carry equal marks.
1. Fill in the blanks in the following: 3
Fatty acid oxidation takes place in .
Glycolysis of each glucose residue of glycogen leads to a net generation of molecules of ATP.
is the major immunoglobulin in normal human serum.
Give any four differences between prokaryotes and eukaryotes. 4
What are isoenzymes Explain giving one example. 3
2. Write one scientific contribution of any four of the following: 4
Hershey and Chase
Northrop and Kunitz
S.J. Singer and G.L. Nicolson
Melvin Kelvin
Watson and Crick
Give one difference (structure and function) between any three of the following:
Glycogen and Cellulose
Lipoprotein and Prostaglandin
a-helix and B-pleated sheet
Deoxyribonucleic acid and Ribonucleic acid 6
3. What is metastasis Why is it life threatening? 2
Why is ATP called the energy currency of a living cell 3
What are the forces stabilising the tertiary structure of proteins 2
How is pyruvate metabolised under different physiological conditions? 3
4. Name the coenzyme form of vitamin B5. Write the structure of this coenzyme. 3
What is genetic code? Give any three salient features of the genetic code. 4
Explain the mode of action of streptomycin and puromycin. 3
5. Write the structures of any four of the following: 4
Adenosine
Sucrose
Glutamine
Phosphatidylcholine
Nicotinic acid
Acetyl CoA
Name any four factors that modify the immune response and describe in brief any one of these. 4
Define melting point of DNA. What are the factors affecting it 2
6. Humans can convert glucose into fatty acids but cannot convert fatty acids into glucose. Explain why. 3
What is substrate level phosphorylation? Give an example. 3
Give the names of any two fat soluble and water soluble vitamins and one disease each caused by their deficiency. 4
7. Explain the term enzyme immobilization. Write any one method used for immobilization of enzymes. 4
Describe the similarities between DNA replication and RNA transcription. 3
Write the role of thylakoid membrane and stroma in the photosynthetic process. What are the products formed in the light reactions of photosynthesis? 3
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Subjects
- Biochemistry
- Inorganic Chemistry
- Organic Chemistry
- Organic Reaction Mechanism
- Physical Chemistry
- Spectroscopy