LinkedIn Insight BSc. Chemistry-I : Bio-organic Chemistry -Mumbai-April 2017 - Grad Plus

BSc. Chemistry-I : Bio-organic Chemistry -Mumbai-April 2017


Subject:  Chemistry-I: Bio-organic Chemistry

Semester: 2

[Total Time: 2 ½ hours]
[Total Marks: 75]
Please check whether you have got the right question paper.
N.B 1) Attempt all questions.
       2) All questions carry equal marks.
       3) Draw neat le belled diagrams whenever necessary.
       4) Use of log tables and non-programmable calculators is allowed.

Q. 1) Do as directed: (Any Fifteen) (15M)

Give one example of each of the following.

1) An unsaturated fatty acid

2) Fibrous protein present in muscle.

3) An Aldosugar

4) An aromatic amino acid

5) An essential fatty acid

6) An epimer of glucose

7) Homeopolysaccaride

Draw structures of the following biomolecules.

8) D-Ribolcose

9) D-Glucose

10) Glycine

11) Palmitic acid

12) Cysteine

13) Phosphatidic acid

Define the following.

14) Nucleic acid

15) Peptide bond

16) Saponification number

17) Osazone

18) renaturation of DNA

19) Central Dogma of molecular  biology

20) Zwitterion


Q. 2) a) Define and classify acyl glycerol. give and example for each class. (8M)

b) Explain the terms storage and structural polysaccharide using one example each. (7M)


c) Expmalin the types of bonding present in Maltose and Lactose. Add a note on their significance. (8M)

d) Explain the structure and function of cholesterol. (7M)


Q. 3) a) Discuss functional classification of proteins. (8M)

b) Classify amino acids on the basis of their nutritional requirement of the body. (7M)


c) Give a detailed account of structure and function of nucleotides. (8M)

d)  Schematically represent the Edma’s degradation of proteins. (7M)


Q. 4) a) Give a detailed account of structure and function of nucleotides. (8M)

b) Explain the structure of t-RNA using a suitable diagram. (7M)


c) compare and contrast between DNA and RNA. (8M)

d) Explain the structure of mRNA using a suitable diagram. Add a note on its functions. (7M)


Q. 5) Write a short note on (Any three) (15M)

a) Structure and function of any two Glycerophospholipids.

b) Structure and significance of any two unsaturated fatty acid

c) Titration curve of amino acid

d) Complementary base pairing

e) rRNA


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