Master of Science I (Microbiology) Examination: Oct Nov 2016
Semester I (Old CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SO
617
Wednesday
23/11/2016
10.30 AM
to
01.00 PM
Microbial Chemistry
and Enzymology
C
IV
Instructions: Part I is compulsory.
Attempt any four questions from Part II.
Part I and Part II should be written in same answer book.
Figures to the right indicate full marks.
Total Marks: 70
PART I
Q.1 Rewrite the following sentences by selecting correct answers from given
alternative.
14
acid has negatively charged R group.
alanine Tryptophan
glutaric acid tyrosine
Night blindness is due to deficiency of
Vit C Vit D
Vit A Vit B2
are fatty acid derivatives having hormonal or regulatory activity.
Steroids Prostaglandins
Glycerides Cholesterol
Zwitter ions are in nature.
acidic basic
Neutral Positive
is not globular protein.
haemoglobin Pancreatic amylase
Ovalbumin Collagen
Non protein inorganic part of enzyme is called
coenzyme apoenzyme
cofactor holoenzyme
Cyclo pentanoperhydro phenanthrene ring system is present in
Vitamin B1 Vitamin B12
Vitamin K Vitamin D
Haemoglobin contains haem groups.
2 4
6 8
is an allosteric enzyme.
Lactate dehydrogenase Alcohol dehydrogenase
Aspartate transcarbamylase ATPase
Page 1 of 2
10) Two sugars of different configuration around one specific carbon are called

isomers epimers
isotopes epitopes
11) is sulfur containing amino acid.
Proline Valine
alanine cystein
12) Allosteric enzymes are regulated by model.
Symetry Synchronous
Systemic non synchronous
13) is an example of multienzyme.
β galactosidase Pyruvate dehydrogenase
Galactoside Permease Aspartate transcarbanylase
14) Starch is a mixture of
Glucose galactose Amylase amylopectin
Lactose glucose Xylose glucose
PART II
Q.2 Explain in detail Briggs Halden modification. 14
Q.3 Describe types of fatty acids their nomenclature. 14
Q.4 Explain in detail fat soluble vitamins and their significance. 14
Q.5 Write short answers any two: 14
Lineweaver burk plot
Explain functions of chymotrypsin lysozyme
Chemistry Porphyrins chlorophylls
Q.6 Write short answers any two: 14
Role of metal ions in enzyme function
Explain Ogston's experiment
Monomeric Oligomeric enzymes