Master of Science I (Microbiology) Examination: Oct Nov 2016
Semester I (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SO
610
Friday
18/11/2016
10:30 AM
to
01:00 PM
Microbial Chemistry and
Enzymology
C
HCT 1.2
Instructions: Part I is compulsory.
Attempt any four questions from Part II.
Part I and Part II should be written in same answer book.
Draw well labeled diagrams wherever necessary.
Total Marks: 70
PART I
Q.1 Rewrite the following sentences by selecting correct answers from given
alternative.
14
is example of multienzyme complex.
oxidase amylase
lyase Pyruvate dehydrogenase
The term protein was first proposed by
Pasteur Bergeys
Berzelius Jacob
Cytochromes are conjugated proteins consisting as prosthetic group.
SO4 PO4
Iron CO3
Starch contains amylase and amylopectin in proportion.
1:3 1:4
1:1 1:2
Vitamin is called
Folic acid Calciferol
thiamine ascorbic acid
Two sugars differ in the configuration around one specific carbon are called

epimers isomers
isotopes epitopes
atom is present next to amino group in protein.
r ω
β ∝
Secondary structure of protein do not contain
turns helix
ω helix disulphide bridges
is monosaccharide.
glucose maltose
lactose sucrose
Page 1 of 2
10) Glycerol combines with three fatty acid to form simple lipid called
trimeric trienoic
triglyceride glyceride
11) Maltose is made up of
D-glucose and D-galactose D-glucose and D-glucose
D-glucose and L-lactose D-glucose and L-galactose
12) Heme is made up of iron and organic pigment called
Photoporphyrin Protoporphyrin
Photophosphoporphyrin Protophosphoporphyrin
13) are fatty acid derivaties having hormonal or regulatory activity.
Phospholipids Phosphoric acids
Porphyrins Prostaglandins
14) Proline is
Spermine aliphatic amino acid
aromatic amino acid immoacid
PART II
Q.2 Give brief account of structural features and classification of amino acids. 14
Q.3 Write an essay on nomenclature and classification of enzymes. 14
Q.4 Write in detail on factors enhancing catalytic efficiency of enzymes. 14
Q.5 Write short answers any two: 14
Fat soluble vitamins
Ramchandran Plot
Chlorophy II and Cytochromes
Q.6 Write short answers any two: 14
Covalent catalysis
Pyruvate dehydrogenase
Specificity of enzymes