1.
oxygen becomes part of cellular respiration
at the end of glycolysis
at the end of fermentation
at the end of the electron transport chain
at the end of the krebs cycle
2.
glycolysis takes place before fermentation.
true
false
3.
before entering the krebs cycle, an intermediate molecule bonds to a 2-carbon molecule. this intermediate complex enters the krebs cycle and combines with a 4-carbon molecule to form citric acid. the name of this molecule is
atp synthase
citrase
fadh2
coenzyme a