Download OU B.Sc 2017 Dec 3rd Semester 7078 Biochemistry Bioenergetics, Biological oxidation and Enzymology Question Paper

Download OU (Osmania University)B.Sc (Bachelor of Science Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 2017 Dec 3rd Semester 7078 Biochemistry Bioenergetics, Biological oxidation and Enzymology Previous Question Paper

C069 No. 7078
FACULTY OF SCIENCE
B.Sc, (CBCS) III ? Semester Examination. NOVemberl
Subject : BIOCHEMISTRY
Paper -? Ill
Bioenergetics Biological oxidations and Enzym
December 2017
olOQY
M .
Time ; 3 hours 3X. Marks . 80
Part ? A (5 x4 = 20 Marks)
(Short Answer Type)
Answer any Five of the following questions.
PhOSphate group transfer potential
Exergontc and Endergonic reactions .
Standard reduction potential of two metabolic reacttons
Fo ~ F1 ? Atpase
Active site
Transition state theory
Acid-Base catalysis
Ribozyme
Part- B (4 X 15 = 60 Marks)
(Essay A?nswer Type)
Answer ALL questions from the following : . _
9 a) What are cytochromes and how they are classified? Discuss In detall about the
structure and functions of cytochromes.
OR
Exptain high eh?rgy compound. Add a note on energy tmnsformation in Ewing
systems.
Write?about va'rious enzymes involved in biological oxidation reactions? Explain
the Electron transport chain.
OR
Discuss the ultrastructure of mitochondria Explain in detail the theories of
oxidative phosphorylation.
Write the nomenclature and classification of enzymes with one example for each
class.
OR
Define holoenzyme, apoenzyme. coenzyme and co-factor. Explain the methods
of enzyme puri?cation.
Explain Michaelis-Menten equation for single substrate reaction. Add a note on
significance of Km and Vmax.
OR
Explain how enzyme activity is regulated. Discuss ATcase as on alloslenic
enzyme.