Download PTU B.Sc-MLS 2020 March 2nd Sem 48059 Biochemical Metabolism Question Paper

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Roll No. [ ] [ 1] [ ][] Total No. of Pages : 02
Total No. of Questions : 09

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1) Answer briefly :

1. What is specificity of enzyme?
2. Write functions of albumin.
3. What are prostaglandins?
4. What is isoelectric pH of protein?

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5. Why sucrose is known as invert sugar?
6. Define Km value.
7. Give characteristics of genetic code.
8. What is substrate level phosphorylation?
9. What is oxidative deamination?

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10. What is the purpose of carnitine shuttle?

SECTION-B

2. Explain purine catabolism and its disorders.
3. Describe various mechanisms for regulation of blood glucose.
4. Explain fatty acid synthase-multienzyme complex and its regulatory role.

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5. Write a detailed note on Phenylketonuria.
6. Define enzyme inhibition. Explain in detail the different types of inhibitions with suitable examples.

SECTION-C

6. Explain the electron transport chain. Mention the sites of ATP synthesis. Add a note on inhibitors and uncouplers of oxidative phosphorylation.
7. Explain denovo synthesis of cholesterol and its regulation. Add a note on cholesterol lowering drugs.

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8. Describe the detoxication of ammonia by urea-cycle. Explain its regulation and disorders.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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