BCH EXAM TOPICS Questions And
Answers
Chooserthermostrincorrectrstatement.
-
rForrglycolysisrtortakerplacerinrtherabsencerofroxygenrNADHrmustrberconvertedrtorNAD+rbyrr
eductionrofrarmetabolite
-
rYeastrisrablertorproducerATPrfromrglycolysisrinrarlowroxygenrenvironmentrbyrreducingraceta
ldehydertorethanol
-
rContractionrofrmusclercellsrunderrhypoxicrconditionsrisrenabledrbyrtherproductionrofrlacticra
cid
-
rMammalianrcellsrcanrproducerethanolrbyrdecarboxylationrofrpyruvaterandrreductionrofracet
aldehyde
-rMammalianrcellsrcanroxidiserethanolrtoracetaldehyder-rCORRECTrrANSWER--
rMammalianrcellsrcanrproducerethanolrbyrdecarboxylationrofrpyruvaterandrreductionrofracet
aldehyde
Glycolysisrisranrexamplerof:r
A:ranaerobicrmetabolism
B:ranabolicrmetabolism
C:rarnetrreductiverprocess
D:roxidativerphosphorylationr-rCORRECTrrANSWER-A:ranaerobicrmetabolism
Howrmanyracetyl-CoArmoleculesrarerproducedrfromrthercompleterbeta-
oxidationrofronermoleculerofroctadenenoicracid?
9
8
7
6r-rCORRECTrrANSWER-9
HowrmanyrCoenzymerArmoleculesrarerreleasedrinrtherformationrofrbeta-hydroxybutyrate?
1
2
3
4r-rCORRECTrrANSWER-3
, HowrmanyrmoleculesrofrNADHrarerproducedrfromrcompleterbeta-
oxidationrofr1rmoleculerofrhexadecanoicracid?
4
5
6
7r-rCORRECTrrANSWER-7
Howrmanyrmoleculesrofrwaterrarerproducedrbyrtherelectron-
transportrchainrduringrthercompleteraerobicroxidationrofronermoleculerofrpyruvate?
3
4
5
8
10r-rCORRECTrrANSWER-5
Inrmammals,reachrofrtherfollowingroccursrduringrthercitricracidrcyclerexcept:
-rthreerseparaterconjugationrreactionsrwithrCoenzymerA.
-rformationrofrα-ketoglutarate.
-rgenerationrofrNADHrandrFADH2.
-roxidationrofracetyl-CoA.
-rmetabolismrofracetatertorcarbonrdioxider-rCORRECTrrANSWER-
threerseparaterconjugationrreactionsrwithrCoenzymerA.
Inrwhichrtissuerarerketonerbodiesrmostrutilisedrasranrenergyrsource?
liver
skeletalrmuscle
heart
brainr-rCORRECTrrANSWER-brain
Startingrwithrglucose-6-
phosphaterandrproceedingrtorpyruvate,rwhatrisrthernetryieldrofrATPrmolecules?
1
2
3
4
5r-rCORRECTrrANSWER-3
Startingrwithrglycogenrandrproceedingrtorpyruvate,rwhatrisrthernetryieldrofrATPrperrunitrofrglu
cose?
1
2
3
4
5r-rCORRECTrrANSWER-3
Substraterlevelrphosphorylationrisrartermrusedrfor:
Answers
Chooserthermostrincorrectrstatement.
-
rForrglycolysisrtortakerplacerinrtherabsencerofroxygenrNADHrmustrberconvertedrtorNAD+rbyrr
eductionrofrarmetabolite
-
rYeastrisrablertorproducerATPrfromrglycolysisrinrarlowroxygenrenvironmentrbyrreducingraceta
ldehydertorethanol
-
rContractionrofrmusclercellsrunderrhypoxicrconditionsrisrenabledrbyrtherproductionrofrlacticra
cid
-
rMammalianrcellsrcanrproducerethanolrbyrdecarboxylationrofrpyruvaterandrreductionrofracet
aldehyde
-rMammalianrcellsrcanroxidiserethanolrtoracetaldehyder-rCORRECTrrANSWER--
rMammalianrcellsrcanrproducerethanolrbyrdecarboxylationrofrpyruvaterandrreductionrofracet
aldehyde
Glycolysisrisranrexamplerof:r
A:ranaerobicrmetabolism
B:ranabolicrmetabolism
C:rarnetrreductiverprocess
D:roxidativerphosphorylationr-rCORRECTrrANSWER-A:ranaerobicrmetabolism
Howrmanyracetyl-CoArmoleculesrarerproducedrfromrthercompleterbeta-
oxidationrofronermoleculerofroctadenenoicracid?
9
8
7
6r-rCORRECTrrANSWER-9
HowrmanyrCoenzymerArmoleculesrarerreleasedrinrtherformationrofrbeta-hydroxybutyrate?
1
2
3
4r-rCORRECTrrANSWER-3
, HowrmanyrmoleculesrofrNADHrarerproducedrfromrcompleterbeta-
oxidationrofr1rmoleculerofrhexadecanoicracid?
4
5
6
7r-rCORRECTrrANSWER-7
Howrmanyrmoleculesrofrwaterrarerproducedrbyrtherelectron-
transportrchainrduringrthercompleteraerobicroxidationrofronermoleculerofrpyruvate?
3
4
5
8
10r-rCORRECTrrANSWER-5
Inrmammals,reachrofrtherfollowingroccursrduringrthercitricracidrcyclerexcept:
-rthreerseparaterconjugationrreactionsrwithrCoenzymerA.
-rformationrofrα-ketoglutarate.
-rgenerationrofrNADHrandrFADH2.
-roxidationrofracetyl-CoA.
-rmetabolismrofracetatertorcarbonrdioxider-rCORRECTrrANSWER-
threerseparaterconjugationrreactionsrwithrCoenzymerA.
Inrwhichrtissuerarerketonerbodiesrmostrutilisedrasranrenergyrsource?
liver
skeletalrmuscle
heart
brainr-rCORRECTrrANSWER-brain
Startingrwithrglucose-6-
phosphaterandrproceedingrtorpyruvate,rwhatrisrthernetryieldrofrATPrmolecules?
1
2
3
4
5r-rCORRECTrrANSWER-3
Startingrwithrglycogenrandrproceedingrtorpyruvate,rwhatrisrthernetryieldrofrATPrperrunitrofrglu
cose?
1
2
3
4
5r-rCORRECTrrANSWER-3
Substraterlevelrphosphorylationrisrartermrusedrfor: