Hydrogen ions NADH + H* Oxidised A Reduced B Oxidised C Electrons NAD+ Reduced A Oxidised B Reduced B Figure 5 i) Explain what is happening to the electrons and hydrogen ions from carriers A to C. i) What is happening to the electrons and hydrogens at the end of this stage? State where in the mitochondrion is the electron transport chain situated? iv) Name ONE process that produces NADH + H*? How does the electron transport chain contribute to the production of ATP? iii) v)

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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The diagram in Figure 5 below summarizes the electron-transport chain, which is a stage of cell
respiration. Letters A. B and C represent electron carriers.
5)
Hydrogen ions
NADH + H*
Oxidised A
Reduced B
Oxidised C
Electrons
XXXX
NAD+
Reduced A
Oxidised B
Reduced B
Figure 5
i) Explain what is happening to the electrons and hydrogen ions from carriers A to C.
ii) What is happening to the electrons and hydrogens at the end of this stage?
ii)
State where in the mitochondrion is the electron transport chain situated?
iv)
Name ONE process that produces NADH + H"?
How does the electron transport chain contribute to the production of ATP?
v)
Transcribed Image Text:The diagram in Figure 5 below summarizes the electron-transport chain, which is a stage of cell respiration. Letters A. B and C represent electron carriers. 5) Hydrogen ions NADH + H* Oxidised A Reduced B Oxidised C Electrons XXXX NAD+ Reduced A Oxidised B Reduced B Figure 5 i) Explain what is happening to the electrons and hydrogen ions from carriers A to C. ii) What is happening to the electrons and hydrogens at the end of this stage? ii) State where in the mitochondrion is the electron transport chain situated? iv) Name ONE process that produces NADH + H"? How does the electron transport chain contribute to the production of ATP? v)
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