Question

in which of following steps of respiration,CO2 is produced

a) Glycolysis
b) electron transport chain
c)Krebs cycle
d)all of these

answer with reason​

Answer 1

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The krebs cycle produces the CO2 that you breath out. This stage produces most of the energy ( 34 ATP molecules, compared to only 2 ATP for glycolysis and 2 ATP for Krebs cycle). The electron transport chain takes place in the mitochondria.