1. WHAT HAPPENS NEXT?

2. Where will the pyruvic acid go next if oxygen is present?
Where will the NADH
produced in this
reaction go next
if oxygen is
present?
Where will the pyruvic acid go next if oxygen is present?
To electron transport chain
Into mitochondria and Krebs cycle

3. Where will the pyruvic acid go next if oxygen is NOT present?
Where does this
reaction happen?
Where will the pyruvic acid go next if oxygen is NOT present?
In the cytoplasm
Stays in cytoplasm and does fermentation

4. Where will the pyruvic acid go next if oxygen is NOT present?
Where does this
Reaction happen?
Where will the pyruvic acid go next if oxygen is NOT present?
In the cytoplasm
Stays in cytoplasm and does fermentation

5. Released into atmosphere when we exhale What happens to the
CO2 produced in this
reaction?
Acetyl-CoA will join next with a
4 carbon molecule to make __________
Released into
atmosphere when
we exhale
Citric acid

6. H+ Which ion is being pumped across the membrane at the purple arrows
during electron transport ?

7. Cycle through the Krebs cycle
Where will the citric acid that is produced here go next?
What will happen to the C’s in citric acid that came from Acetyl-CoA?
Cycle through the Krebs cycle
Released into atmosphere as CO2

8. Where does the ATP produced here go? to the Electron transport chain
the FADH2
produced
here go next?
Where does the ATP produced
here go?
to the Electron
transport chain
Used by cell for
cellular activities

9. What reaction
happens on the
matrix side of the
membrane when
ATP synthase spins?
A phosphate
is added to ADP
to make ATP

10. Citric acid Name the 6 carbon molecule formed in this reaction
What happens to the Coenzyme A
after dropping off its 2 carbons?
Citric acid
Recycles back and picks up 2 more
carbons from pyruvic acid

11. Name the
4 products
of the Krebs cycle
CO2, NADH, FADH2, ATP

12. Where does
the CO2
produced
here go next?
released to
the atmosphere

13. O2
Which molecule acts as the
last electron acceptor to
make water?