BSc Biochemistry Sem IV 2019 20 Oct 2019-20 ATKT BIO CHEM BIOCHEMISTRY Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1: ‘Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 Use of log tables and non-programmable calculator is allowed
3. Q5 For Q2,Q3 and Q 4 attempt A and B OR C and D
4. Q1 Do as directed (Any Precursor amino acid for biosynthesis of GABA is Synthesis of glucose from non-carbohydrate precursors is accomplished by a pathway called The number of NADPH produced when one molecule of Glucose 6 phosphate completes oxidative phase of HMP 15 marks
5. Q4 Give one example of glucogenic amino acid State the location of enzymes of Krebs cycle in eukaryotic cells
6. Q6 Name one co-factor of pyruvate complex
7. Q7 Name one metabolic disorder associated with urea cycle
8. Q8 State true/false: Deamination of tyrosine releases carbon dioxide
9. Q9 Name one enzyme involved in non-oxidative deamination Write the equation for the reaction catalysed by following
10. Q10 Pyruvate kinase Name the enzyme that catalyses the conversion of following Ornithine to citrulline Pyruvate to acetyl CoA
11. Q14 The reactions of ketone body formation occur in the matrix of are lipid-binding proteins in the blood which transports triacylglycerols, phospholipids, cholesterol, and esters
    • a. Apolipoproteins b. Lipases
12. Q16 The fatty acy! group is enzymatically transferred from Carnitine to intra mitochondrial Coenzyme A by
13. Q17 Propionyl-CoA is first carboxylated to form the D stereoisomer of :
14. Q18 Branched are catabolized in peroxisomes cells by
    • a. oxidation b. a oxidation
    • c. oxidation d. p oxidation 19, of permits hormone sensitive lipase access to the surface of the lipid droplet
15. Q20 The overall equation of Palmitoyl-CoA beta oxidation is:
16. Q2 A Describe Glycolysis. Write a note on Oxidative phase of Pentose Phosphate Pathway. ()7 Give an account on Electron transport chain. (7 8 marks
17. Q3 A Justify: Amino acids are degraded to metabolites that integrate into Krebs
18. Q3 B_ biosynthesis of Histamine and GABA. 7 marks
19. Q3 C Explain Urea Cycle Describe biosynthesis of Glutathione. Give its significance. 07
20. Q4 A_ Explain the catabolism process of Adenosine Explain the process of Ketone bodies formation. 7
21. Q4 C Describe basic four steps of Beta Oxidation of Saturated Fatty Acids in 68 marks
22. Q4 D_ Explain degradation of Thymine nucleotide. 7 marks
23. Q5 Short notes on any three of the following 15 marks
    • a. ATP as an energy rich compound
    • b. Biosynthesis of Serotonin, Fates of pyruvate formed by Glycolysis ts d. oxidation of fatty acid
    • e. Mobilization of triacylglycerols stored in adipose tissue

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