Topic 4 Aerobic and anaerobic respiration + Flashcards
What does aerobic respiration require
Oxygen
Is aerobic respiration efficient
Most efficient way to transfer energy from glucose
When does aerobic respiration occur
All the time in plants and animals
Where do most aerobic respiration reactions happen
Mitochondria
Word equation for aerobic respiration
Glucose + oxygen -> carbon dioxide + water
Aerobic respiration symbol equation
C6H12O6 + 6O2 -> 6CO2 + 6H2O
When is anaerobic respiration used
If there isn’t enough oxygen
Why is anaerobic respiration used when doing vigorous exercise
Because the body can’t supply enough oxygen to the muscles
What is anaerobic respiration
Incomplete breakdown of glucose making lactic acid
Anaerobic respiration word equation
Glucose -> lactic acid
Why doesn’t anaerobic respiration transfer as much energy as aerobic respiration
Because the glucose isn’t fully oxidised because it isn’t combined with oxygen
When is anaerobic respiration useful
During emergencies
E.g during exercise
Anaerobic respiration word equation for plants and yeast
Glucose -> ethanol + carbon dioxide
What is anaerobic respiration in yeast cells called
Fermentation
What is fermentation used to make
Bread and alcoholic drinks
