CHEMl 210l /l CHEM210l Modulel 8:l
(NEWl 2025/l 2026l Update)l Biochemistryl |l
Questionsl &l Answers|l Gradel A|l 100%l
Correctl (Verifiedl Solutions)-l Portagel
Learning
QUESTION
Whatl moleculel transfersl electronsl andl H+l froml bothl Complexl Il andl
Complexl IIl tol Complexl III?
-l NADH
-l FAD
-l Cytochromel C
-l Cytochromel Bl
-l CoQ
Answer:
-l CoQ
QUESTION
Inl whatl portionl ofl thel mitochondrionl doesl thel CACl takel place?l
-l Matrix
-l Intermembranel spacel
-l Innerl membranel
-l Outerl membrane
, -l Bothl Bl andl C
Answer:
-l Matrix
QUESTION
Atl whichl complexl doesl thel followingl reactionl takel place?
O2l +l 4e-l +l 4H+l →l 2H2O
Complexl I
Complexl II
Complexl IIIl
Complexl IVl
Bothl Al andl B
Answer:
Complexl IV
QUESTION
Duringl thel electronl transportl chain,l protonsl arel pumpedl froml _________l
inl thel mitochondria.
-l Froml thel intermembranel spacel tol thel cytosol
-l Froml thel intermembranel spacel tol thel matrixl
-l Froml thel matrixl tol thel intermembranel space
-l Froml outsidel ofl thel celll tol thel cytosol
-l Froml outsidel ofl thel celll tol thel matrix
(NEWl 2025/l 2026l Update)l Biochemistryl |l
Questionsl &l Answers|l Gradel A|l 100%l
Correctl (Verifiedl Solutions)-l Portagel
Learning
QUESTION
Whatl moleculel transfersl electronsl andl H+l froml bothl Complexl Il andl
Complexl IIl tol Complexl III?
-l NADH
-l FAD
-l Cytochromel C
-l Cytochromel Bl
-l CoQ
Answer:
-l CoQ
QUESTION
Inl whatl portionl ofl thel mitochondrionl doesl thel CACl takel place?l
-l Matrix
-l Intermembranel spacel
-l Innerl membranel
-l Outerl membrane
, -l Bothl Bl andl C
Answer:
-l Matrix
QUESTION
Atl whichl complexl doesl thel followingl reactionl takel place?
O2l +l 4e-l +l 4H+l →l 2H2O
Complexl I
Complexl II
Complexl IIIl
Complexl IVl
Bothl Al andl B
Answer:
Complexl IV
QUESTION
Duringl thel electronl transportl chain,l protonsl arel pumpedl froml _________l
inl thel mitochondria.
-l Froml thel intermembranel spacel tol thel cytosol
-l Froml thel intermembranel spacel tol thel matrixl
-l Froml thel matrixl tol thel intermembranel space
-l Froml outsidel ofl thel celll tol thel cytosol
-l Froml outsidel ofl thel celll tol thel matrix