1. Cellular Respiration Part 3
AP Biology
Cellular Respiration
Part 3

2. . Allosteric activator stabilizes active form. Allosteric enzyme
with four subunits
Active site
(one of four)
Regulatory
site (one
of four)
Activator
Active form
Stabilized active form
Oscillation
Allosteric inhibitor
stabilizes inactive form.
Non-
functional
active site
Inhibitor
Inactive form
Stabilized inactive
form
Allosteric activators and inhibitors

3. Energy Payoff Phase

4. Is Oxygen present?

5. Energy Payoff Phase Need to keep Glycolysis going

6. Alcohol Fermentation Bacteria and Yeast

7. Lactic Acid Fermentation Animals such as yourself

8. Miller Urey experiment

9. Macromolecule Utilization in Cellular Respiration
Proteins
Carbohydrates
Fats
Amino
acids
Sugars
Glycerol
Fatty
acids
Glycolysis
Glucose
Glyceraldehyde-3- P
NH3
Pyruvate
Acetyl CoA
Citric
acid
cycle
Oxidative
phosphorylation

10. Amino Acid Basic Structure
a carbon
Amino
group
Carboxyl
group

11. Fat molecule (triacylglycerol)
Basic lipid Structure
Ester linkage
Fat molecule (triacylglycerol)

12. Negative Feedback

13. Phosphofructokinase (Puts on the SECOND ATP)