AP Biology

1
AP Biology

• Cellular Respiration
• Part 3

2
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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
Stabilized inactive form
Inactive form
Allosteric activators and inhibitors
3
Energy Payoff Phase
4
Is Oxygen present?
5
Energy Payoff PhaseNeed to keep Glycolysis going
6
Alcohol FermentationBacteria and Yeast
7
Lactic Acid FermentationAnimals 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
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Amino Acid Basic Structure
a carbon
Amino group
Carboxyl group
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Basic lipid Structure
Ester linkage
Fat molecule (triacylglycerol)
12
Negative Feedback
13
Phosphofructokinase(Puts on the SECOND ATP)