Solapur University
B.Sc. – II (Biotech.) (Semester – IV) Examination, 2015
BIOENERGETICS AND METABOLISM – II (Old)
(Metabolism)
Day and Date : Thursday, 14-5-2015 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
N. B. : 1) All questions are compulsory.
2) Figures to right indicate full marks.
3) Draw labelled diagram wherever necessary.
1. Rewrite the following sentences by choosing correct alternative given below : 10
i) Glycogen phosphorylase hydrolyses ___________ glycosidic bond.
a) α −1, 6 b) α −1, 4 c) β −1, 4 d) β −1, 6
ii) Pentose phosphate pathway produces ______________
a) ATP b) NADH c) NADPH d) All of these
iii) __________ is not present in cerebrosides.
a) Galactose b) Sulfur c) Sphingosine d) Fatty acids
iv) The enzyme required for hydrolysis of triacylglyceride is ____________
a) Thiolase b) Enoyl CoA reductase
c) Lipase d) Enoyl CoA hydratase
v) Mitochondrial membrane is permeable to _________ chain fatty acids.
a) short b) medium c) long d) all of these
vi) The major site of urea synthesis is _____________
a) brain b) kidney c) liver d) muscles
vii) The amino acid that undergoes oxidative deamination at a significant rate is
______________
a) Alanine b) Aspartate c) Glutamine d) Glutamate
viii) Xanthosine monophosphate is an intermediate during de novo synthesis of
___________
a) GMP b) TMP c) CMP d) AMP
SLR-M – 51
ix) Reducing equivalents move in the electron transport chain from ________
a) Reduced substrate to oxygen b) Oxidized substrate to oxygen
c) Oxygen to reduced substrate d) Oxygen to oxidized substrate
x) The first electron acceptor in electron transport chain from NADH is _______
a) FAD b) Ubiquinone
c) Cytochrome d) FMN
2. Answer any five of the following : 10
i) Enlist the names of enzymes involved in urea cycle.
ii) State the distinguishing step of odd chain fatty acid oxidation from even chain
fatty acid.
iii) What is photosynthesis ? Give its general reaction.
iv) Mention the steps of β-oxidation of even chain saturated fatty acids.
v) Define the term uncoupler. Give an example.
vi) What is glycogenic amino acid ? Give any two examples.
3. A) Answer any two of the following : 6
i) Explain the regulation of cholesterol metabolism.
ii) Discuss about glycerol 3-phosphate shuttle involved in transport of reducing
potential.
iii) How galactose is entered in glycolysis ?
B) Give an account of degradation of pyrimidine. 4
4. Answer any two of the following : 10
i) Describe the general reactions of amino acid metabolism.
ii) Discuss in brief the energetics of TCA cycle.
iii) Explain chemiosmotic hypothesis of oxidative phosphorylation ? Draw a neat
labelled diagram of mitochondria.
5. Answer any two of the following : 10
i) Write a note on regulation of glycolysis.
ii) Explain in brief the ATP yield from palmitic acid during β-oxidation.
iii) Discuss in detail the electron carriers in electron transport chain.
B.Sc. – II (Biotech.) (Semester – IV) Examination, 2015
BIOENERGETICS AND METABOLISM – II (Old)
(Metabolism)
Day and Date : Thursday, 14-5-2015 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
N. B. : 1) All questions are compulsory.
2) Figures to right indicate full marks.
3) Draw labelled diagram wherever necessary.
1. Rewrite the following sentences by choosing correct alternative given below : 10
i) Glycogen phosphorylase hydrolyses ___________ glycosidic bond.
a) α −1, 6 b) α −1, 4 c) β −1, 4 d) β −1, 6
ii) Pentose phosphate pathway produces ______________
a) ATP b) NADH c) NADPH d) All of these
iii) __________ is not present in cerebrosides.
a) Galactose b) Sulfur c) Sphingosine d) Fatty acids
iv) The enzyme required for hydrolysis of triacylglyceride is ____________
a) Thiolase b) Enoyl CoA reductase
c) Lipase d) Enoyl CoA hydratase
v) Mitochondrial membrane is permeable to _________ chain fatty acids.
a) short b) medium c) long d) all of these
vi) The major site of urea synthesis is _____________
a) brain b) kidney c) liver d) muscles
vii) The amino acid that undergoes oxidative deamination at a significant rate is
______________
a) Alanine b) Aspartate c) Glutamine d) Glutamate
viii) Xanthosine monophosphate is an intermediate during de novo synthesis of
___________
a) GMP b) TMP c) CMP d) AMP
SLR-M – 51
ix) Reducing equivalents move in the electron transport chain from ________
a) Reduced substrate to oxygen b) Oxidized substrate to oxygen
c) Oxygen to reduced substrate d) Oxygen to oxidized substrate
x) The first electron acceptor in electron transport chain from NADH is _______
a) FAD b) Ubiquinone
c) Cytochrome d) FMN
2. Answer any five of the following : 10
i) Enlist the names of enzymes involved in urea cycle.
ii) State the distinguishing step of odd chain fatty acid oxidation from even chain
fatty acid.
iii) What is photosynthesis ? Give its general reaction.
iv) Mention the steps of β-oxidation of even chain saturated fatty acids.
v) Define the term uncoupler. Give an example.
vi) What is glycogenic amino acid ? Give any two examples.
3. A) Answer any two of the following : 6
i) Explain the regulation of cholesterol metabolism.
ii) Discuss about glycerol 3-phosphate shuttle involved in transport of reducing
potential.
iii) How galactose is entered in glycolysis ?
B) Give an account of degradation of pyrimidine. 4
4. Answer any two of the following : 10
i) Describe the general reactions of amino acid metabolism.
ii) Discuss in brief the energetics of TCA cycle.
iii) Explain chemiosmotic hypothesis of oxidative phosphorylation ? Draw a neat
labelled diagram of mitochondria.
5. Answer any two of the following : 10
i) Write a note on regulation of glycolysis.
ii) Explain in brief the ATP yield from palmitic acid during β-oxidation.
iii) Discuss in detail the electron carriers in electron transport chain.
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