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Title: Intro to Cellular Respiration
Description: Brief overview of cellular respiration. Basic introduction into the subject.
Description: Brief overview of cellular respiration. Basic introduction into the subject.
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Corinne Sherry
Biology CPE
4/25/14
Introduction to cellular respiration
ATP
– Adenosine triphosphate
– “Currency” of biological energy
– A-P-P-P
– A source of energy
When water is added, it becomes ADP
- It becomes ADP
- Adenosine diphosphate
- A-P-P
- This generates energy
When a phosphate it taken off, it becomes energized
Adenosine
- Part of ATP
- Made of adenine and ribose
Electrons are not comfortable in the bonds, and want to be away from each other
When the phosphate group comes off, energy is created from electrons going to a
lower energy state
...
Glucose = energy
Cellular respiration
- Produces energy which is used to produce 38 ATP or heat
- Formula:
• C6H12O6 + 6O2 ( Cellular respiration) à 6CO2 + 6H2O
Glycolysis
- Is the breaking up of glucose
- It breaks it up from a 6 carbon molecule into 2, 3 carbon molecules
- It need 2 ATPs to generate 4 ATPs in the absence of oxygen (anaerobic)
Krebs’s cycle
- Generates 2 ATPs, but requires oxygen (aerobic)
Electron Transport Chain
- Produces bulk of ATPs (aerobic)
- Produces 34 ATPs
If not enough oxygen, they go through Fermentation
Cellular respiration repackages it into 38 ATPs
Title: Intro to Cellular Respiration
Description: Brief overview of cellular respiration. Basic introduction into the subject.
Description: Brief overview of cellular respiration. Basic introduction into the subject.