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Oxygen is used only at the last step of the electron… | StemPy Lab
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Oxygen is used only at the last step of the electron transport system, yet aerobic respiration stops without it. Why?
Biology
Hard
High School (11–12)
Plant Biology › Respiration in Plants
A-Level
AP
IB
Created by
StemPy Lab
Oxygen is used only at the last step of the electron transport system, yet aerobic respiration stops without it. Why?
Oxygen is the first carrier of the chain, so the chain cannot start.
Oxygen is the substrate that the link reaction changes to acetyl CoA.
Without an acceptor at the end, the carriers stay full of electrons, and NAD
+
^+
+
and FAD are not made again.
Oxygen joins the carbon atoms of citric acid to make carbon dioxide.
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