Cellular Respiration Part 3 AP Biology Cellular Respiration Part 3

. 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

Energy Payoff Phase

Is Oxygen present?

Energy Payoff Phase Need to keep Glycolysis going

Alcohol Fermentation Bacteria and Yeast

Lactic Acid Fermentation Animals such as yourself

Miller Urey experiment

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

Amino Acid Basic Structure a carbon Amino group Carboxyl group

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

Negative Feedback

Phosphofructokinase (Puts on the SECOND ATP)