M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Microbiology
MICROBIAL CHEMISTRY AND ENZYMOLOGY
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Part questions 1 is compulsory.
Attempt any four questions from Part II
Figures to the right indicate full marks.
Draw well lebelled diagrams wherever necessary.
Q.1 Rewrite the sentences by choosing correct given below: 14
is said to form parallel pleated sheets.
Gelatin Casein
Albumin Keratin
All enzymes are protein with exception of
RNA ase RNA polymerase
Liagases Ribozymes
Cytochromes are
Lipids Fats
Proteins Lipoproteins
Zwitter ions are nature
Acidic Basic
Neutral Amphipathic
Emulsification is property of they are added in water s
Fats Carbohydrates
Proteins Amino acids
Deficiency of vitamin c causes
Scurvy Beri-beri
Rickets Xerophthalmia
The amino acids containing additional COOH group in the side chain
amino acids.
Basic Neutral
Acidic Hemoglobin
not globular protein.
Ovalbumin Collagen
Pancreatic2-anylase Hemoglobin
C 18 fatty acids without double bonds are called
Octadeconyl Octadecanoic acid
Octadaconylic acid Octadecom
10) Red colour of heme is due to
Photoporphyrin Photophyrin
Photophosphorin Photophosphoserine
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SLR-MQ-580
11) Iron Porphyrin groups are present in the structure of
Chlorophyll Carotenoids
Phycobili proteins Cytochromes
12) The term glycan is used to denote
Monosaccharide Disaccharide
Polysaccharide Trisaccharide
13) as chief storage form of energy in cells.
Lipids Proteins
Vitamins Porphyrins
14) Bacteriorhodospin is bacterial membrane
Lipid Carbohydrate
Teichoic acid Protein
PART II
Q.2 Write any essay on models proposed to explain the mechanism of enzyme
functioning (MWC KNF).
14
Q.3 Write in detail on Lineweaver Burk Eadie Hofstee's work. 14
Q.4 Give an account of types of fatty acids and nomenclature of fatty acids. 14
Q.5 Write short answers Any Two 14
Triose phosphate isomerase
Water soluble vitamins.
Monomeric and oligomeric enzyme
Q.6 Write short answers Any Two 14
Reverse turns and helix coil transition
Isoenzymes.
Chymotrypsin and lysozyme.