1. 9.1 Cellular Respiration: An Overview

2. Chemical Energy & Food Organisms get the energy they need from food.
calorie-energy needed to raise 1 g of water, 1 degree.

3. Overview

4. In/Out Light DEPENDENT
Water
NAD+
ADP
Out O2
ATP
NADPH

5. In/Out Light INDEPENDENT
ATP
NADPH
**CO2
Out
NADP+
ADP
Sugar

6. Overview of Cellular Respiration
CR -release energy from food in the presence of oxygen.
6O2 + C6H12O6  6CO2 + 6H20 + Energy
Oxygen +sugar carbon dioxide+water+energy

7. Cellular Respiration has 3 stages:
Glycolysis-in cytoplasm (2ATP)
Krebs Cycle-in mitochondria (2ATP)
Electron Transport Chain-in mitochondria (32 ATP)

8. In cytoplasm
In mitochondria

9. Oxygen & Energy Aerobic-CR that requires oxygen (Krebs & ETC)
Anaerobic-CR that do NOT require oxygen (glycolysis)

10. Q: What is the relationship between photosynthesis & cellular respiration?
A: Photosynthesis removes carbon dioxide from the atmosphere, and CR puts it back. Photosynthesis releases oxygen into the atmosphere, and CR uses that oxygen to release energy from food.

11. Photosynthesis Cellular Resp.
Returns CO2
Uses O2
In Mitochondria
In Plants and Animals
Removes CO2
Releases O2
In Chloroplast
In plants only
Opposite Formulas

12. WS p
#1-16 only
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