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Cell Constituents and Enzymology-Biotechnology-BSC-Nagpur-Summer-2018

Bachelor of Science (B.Sc.) Semester—2 Examination
BIO-TECHNOLOGY (Cell Constituents and Enzymology)

Optional Paper—2
Time : 3 Hours
Maximum Marks : 50

N.B. :— (1) All questions are compulsory and carry equal marks.
(2) Draw well labelled diagram wherever necessary.

1. What are heteropolysaccharides ? Describe the structure of glycosaminoglycans. [10M]


Write the classification and nomenclature of carbohydrates. [10M]

2. Write short notes on :
(a) Plasmalogens. [2½M]

(b) Iodine value.[2½M]

(c) What are simple and mixed triglycerides ? Write their chemical structures. [2½M]

(d) Describe the classification of terpenes. [2½M]


(e) Sphingomyelins [2½M]

(f) Structure of cholesterol [2½M]

(g) Acid value[2½M]

(h) Unsaturated fatty acids. [2½M]


3. Describe pyruvate dehydrogenase complex. [10M]


Describe Acid-base and metal ion catalysis in detail. [10M]

4. Describe the effect of pH and temperature on enzyme catalysed reactions. [10M]


Describe in detail any two methods of enzyme assay. [10M]


5. Solve any TEN of the following :
(i) Draw the chemical structure of lactose. [1M]

(ii) Give one difference between stench and glycogen. [1M]

(iii) Define mutarotation. [1M]

(iv) Define saponification value. [1M]

(v) Give chemical structure of 9,12-octadecadienoic acid. [1M]

(vi) Give any one example of saturated fatty acids. [1M]

(vii) Define Active site. [1M]

(viii) Define Coenzyme. [1M]

(ix) What is an Allosteric enzyme ? [1M]

(x) Define specific activity of an enzyme. [1M]

(xi) What is Km ? [1M]

(xii) What is Katal ? [1M]


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