Download OU B.Sc 2016 April 1st Year 2048 Biochemistry Question Paper

Download OU (Osmania University) B.Sc (Bachelor of Science) 2016 April 1st Year 2048 Biochemistry Previous Question Paper

Code No. 2048
FACULTY OF SCIENCE .
IZOQr~ lg: ?905m 1%
B.Sc. l?Year Examination, MarchlApril 2016
Subject: BlOCHEMtSTRY
Paper ?I : Biomolecules and Enzymology
Time : 3 hours Max. Marks : 100
\ ,. Part? A (8 X 5 = 40 Marks)
?' (Short Answer Type)
Note : Answer any Eight from the fotlowing.
Write the structures of any two disaccharides and exptain their biologicat
importance.
Glycolipids and Glycoproteins
Lipoproteins
Write about any three non-protein amino acids.
Explain the quarternary structure of proteins with suitable?gxg
Peptide bond formation and conformation. $9 EA
Write the structure of nucleotide and discuss about AT92:
DNA structUre and conformations ?Rx
Tm vaiue and significance
10 Factors effecting enzyme catalysis
11 Enzyme inhibition
12 Zymogen activation
A
LOCDNODU?IACON
S;
4
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Part ? B (4 Xg?ggg?o Marks)
(Ejszggy Answer Type) w?
Note : E saw all the questions.
13 a) Explain mutarotation, 5153.. 3 epimers and D and L designation of
carbohydrates. Adagiwh?n(glycosaminoglycans.
b)/Give an accountzggggx??d
i) Membrane c?r?iagsition and organization
ii) General prgperties of phospholipids, sphingolipids and cholesterol
, ?},
0R
b) ?rit?elgown the classi?cation of proteins. Add a note on the denaturation and
reg? uration of proteins.
X915 8) Give an account of the structure, properties and functions of chlorophylts and
?4 cytochrome.
0R
b)/W?ite*the structures of pyrimidines and differences between DNA and RNA.
Add a note on cot curves and their significance.
16 a) Explain the allosteric mechanism in ATCase. Define holo-enzyme apo?
enzyme and coenzyme.
OR
b) Write short notes on: *2,
i) Energy of activation, Km and Vmax ii) Multienzyrh? complexes