M.Sc. Zoology(Semester III) (CBCS) Examination, 2017
BIOCHEMISTRY
Day Date: Thursday, 20-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Note: Q 2 6 are compulsory.
Answer any two question from 3,4 and 5
Q.1 Rewrite the following sentences by choosing the most
correct alternative given below.
14
Cyanide inhibits electron transport at
NADH dehydrogenase Succinate dehydrogenase
Cytochrome C redutase Cytochrome C oxidase
The acts as coenzyme for amino acid metabolism.
TPP PLP
NAD+ Biocyatin
The distance between two major groove in B-form DNA is
nm
2.0 3.0
4.0 5.0
The catalytic RNAs known as
Coenzymes Ribozymes
Abzymes Apoenzyme
NADPH is produced in pathways
Glycolysis Purine biosynthesis
Pentose phosphate TCA cycle
The enzyme inhibition in which Km increases and Vmax
remains constant is inhibition.
Competitive Uncompetitive
Non-competitive Mixed type
The storage form of lipid in human is
Phospholipid Triacylglycerol
Cholesterol Sphingolipid
Q.2 Long Answer Type question. 14
Describe in detail the IUB classification and nomenclature
system of enzymes.
Page 2 of 2
Q.3 Answer the following
Discuss the β-oxidation of palmitic acid and its energetics. 07
Explain in detail glycogen metabolism and its regulation. 07
Q.4 Explain the following.
Concept of free energy 05
Monosaccharide 05
Application of immobilized enzymes 04
Q.5 Explain in short
TCA cycle 07
ATP synthase complex and ATP synthesis 07
Q.6 Write short notes on (any four) 14
Primary structure of proteins
Laws of thermodynamics
Energetics of glycolysis
tRNA
Enzyme activators
Triacylglycerol biosynthesis