Aerobic respiration презентация

Lesson objectives
To compare the synthesis of ATP in aerobic and anaerobic respiration.

Why oxygen is important for living things?

What is the purpose of the cellular respiration?
All life activities in living things require energy.
Living things use chemical energy for life processes.
Living organisms get energy by process called cellular respiration.

What is cellular respiration?
Cellular respiration is series of reactions that extract energy from food molecules.
It converts chemical energy that is stored in food to ATP energy.

Types of cellular respiration
1) aerobic respiration (requires O2)
2) anaerobic respiration (doesn’t require O2)

Aerobic respiration
Oxygen is used.
Most of organisms use this type of respiration.
Food molecule is oxidized by O2 .
Glucose is totally oxidized up to CO2 and H2O
Summary :
C6H12O6+6O2 6CO2+6H2O+32ATP

Steps of aerobic respiration
Aerobic respiration is series of reactions.
Each reaction require its own enzyme.
Main steps are:
Glycolysis
Pyruvate oxidation
Citric acid cycle (Krebs cycle)
Electron transport chain (oxidative phosphorylation)

Let’s do the activity on p. 69