Metabolism

1
Metabolism

• Anabolism
• Catabolism

2
Energy Capture

• Oxidation
• Electron loss
• Reduction
• Electron gain
• Redox
• Coupled reactions

3
Metabolic Lifestyles

• AUTOTROPHY
• Photoautotroph
• Carbon source
• Energy source
• Chemoautotroph
• Carbon source
• Energy source

• HETEROTROPHY
• Photoheterotroph
• Carbon source
• Energy source
• Chemoheterotroph
• Carbon source
• Energy source

4
Enzymes

• Role
• Structure
• Apoenzyme
• Cofactor
• Holoenzyme

5
Enzyme Sites

• Active Site

6
Enzyme Inhibition

• Competitive

• Non-competitive

7
Reaction Rate Influences

• Temperature
• pH

• Enzyme concentration
• Reactant concentration

8
Glycolysis Universal Step 1

• Substrates
• Products
• Energy yield 2 ATP 2 NADH(?)

9
Fermentation

• Pyruvate is reduced
• Acid fermentation
• Alcohol fermentation
• NAD recreated
• Energy?

10
Aerobic Respiration

• Krebs Cycle ETC
• Krebs
• Substrate
• Products
• Energy yield 4 ATP 8 NADH (2 from creating
  Acetyl CoA) 2 FADH2

11
Electron Transport Chain

• Redox reactions
• Electron carriers types
• Terminal electron acceptor

12
Anaerobic Respiration

• Final electron acceptor differences

13
Fat Catabolism

• Glycerol
• Fatty Acids

14
Protein Catabolism

• Deamination
• Carbon skeleton usage

15
Photosynthesis/ Energy

• Light dependent
• Photophosphorylation
• Light independent
• Carbon fixation
• Energy Uses