B.Sc. Semester III (Microbiology)
Chemistry of Organic Constituents, Enzymology and Metabolism
(UG-MB
(08)-S3-T)
Unit
I—Carbohydrates Metabolism
A) Definition of
Carbohydrate, Classification of carbohydrates, Structure of monosaccharides: glucose, fructose. Structure of
disaccharides: maltose, lactose, sucrose. Concept of glycosidic bond,
Trisachcharide: raffinose. Homopolysaccharides: starch, glycogen,
cellulose.
Heteropolysaccharides: hyluronic acid.
B)
General strategy of metabolism, EMP
pathway and its regulation, TCA cycle and its regulation, substrate level
phosphorylation, Cyclic and noncyclic photophosphorylation, Oxidative
phosphorylation.
Unit
II--- Proteins, Amino acids and Metabolism
A) Definition of protein,
Classification of protein, Biological importance of protein, Protein
degradation.
B)
Classification of amino acids, titration
curve, acidic, basic and neutral amino acids, peptide bond theory,
organizational levels of proteins, concept of
oligomeric protein.
C)
Amino acid breakdown,
deamination (alanine, tyrosine, methionine), urea cycle, glucogenesis and
ketogenesis.
Unit
III---Lipid and Lipid Metabolism
A) Definition of lipids, Classification of lipids, structure of
triglycerides, compound lipids, derived lipids, Biological functions of lipids.
B)
Definition of fatty
acid, Beta oxidation, Omega oxidation, alpha oxidation, oxidation of odd number
fatty acids, oxidation of branched chain fatty acids.
Unit
IV --- Nucleic acid and Metabolism
A) DNA, RNA and
various forms of DNA & RNA, Structure of purines, pyrimidines, nucleosides
& nucleotides, Replication of DNA, Modes of replication, general features,
rolling circle & knife & fork model.
B) Nucleotide
metabolism, biosynthesis of purine nucleotide & biosynthesis of pyrimidine
nucleotides.
Unit
V--- Enzymology
A) General concept,
Definition and nature of enzymes, classification, nomenclature, models
of enzyme action, (Lock & key, Induced fit model, Strain model), primary
concept of enzyme kinetics, MM equation, modifications of MM equations (LB
plot, Eadie hofstee, Hill plot, Hanes woolf plot), activation energy,
transition state, ES complex, enzyme activity, katal, specific activity, turn
over number, Significance of Km and Vmax.
B)
Enzyme inhibition and
their types, enzyme regulation & their types, allosteric sites, allosteric
modulaters, functional diversity such as holoenzyme, apoenzyme, coenzyme,
cofactor, prosthetic group, isoenzymes, membrane bound enzymes, multienzyme
complex, zymogens.
Unit
VI---Vitamins
A)
Classification on the
basis of solubility, Water soluble vitamins, structure, function &
chemistry of vitamin B1,B2,B12, vitamin C.
B)
fat soluble vitamin:
Structure, function & chemistry of vitamin A, D,E & K, Hyper and
hypovitaminosis
Practicals Semester III (UG-MB (08)-S3-P)
1. Qualitative analysis of carbohydrates, lipids and
proteins.
2. Estimation of
carbohydrates by DNS/ anthrone =method.
3. Detection of enzymes: amylase, catalase, gelatinase,
lipase.
4. Estimation of proteins by Lawrys method.
5. Estimation of DNA.
6. Estimation of RNA.
7. UV absorption of Nucleic
acid.
8. Effect of PH on enzyme activity
9. Effect of temperature on enzyme activity.
10.
Effect of substrate concentration on enzyme activity.
11. Estimation of lipid/cholesterol.
List of
Reference Books for Sem III Microbiology:
1.
Biochemistry: - Lehninger
2.
General Microbiology. Vol 1& II. : - Powar & Daginawala
3.
An Introduction to Biochemestry by
Plummer 3 rd Edition ,Tata McGraw –Hill
4.
Molecular Biology of the Cell: - J. D. Watson, D. Bray
5
The DNA Story: - J. D. Watson
6
Genetics of Prokaryotes: - Srivastava et.al
7
Genes: - Pramod Kumar
8.
Genetic Engineering and its Applications -Joshi P.
9
Gene Transfer and Expreesion a Laboratory Manual: - Michael
Kriegler
10)
Concept in biotechnology: - D. Balasubramanium
11.
Essential Genetics: - Daniel. Hartl.
12. Nelson D.L
and Cox M.M.(2002) Lehninger’s Principles of Biochemistry, Macmillan Worth
Pub.Co.New Delhi.
13. Garett, R.H
and Grisham,C.M (2004) biochemistry. 3rd ed.Brooks/Cole, publishing
company,California.
14. Jain
J.L,Nitin Jain, Sunjay Jain (1979) Fundamentals of Biochemistry.7th
edition, S.Chand publishers.
15.
Satyanarayana U., Chakrapani U.(2014)Biochemistry ,4th edition.