1. B4 content – Bioenergetics (Paper 1)
Photosynthesis
Factors affecting photosynthesis
Converting glucose
Importance of respiration
Aerobic respiration
Anaerobic respiration
Exercise and respiration
Metabolism
Required practicals:
Effect of light intensity on the rate of photosynthesis (page 43 in revision guide)

2. B4 Revision – Bioenergetics (page 42-45 in revision guide)
What is the green pigment needed for photosynthesis?
List three factors that may limit the rate of photosynthesis.
State the word equation for anaerobic respiration in animals.
State the word equation for anaerobic respiration in plants and yeast.
What does a plant need glucose for?
What is meant by an ‘exothermic’ reaction?
Which type of respiration requires oxygen?
What is fermentation?
The energy transferred by respiration can be used to make what? List three.
KEY WORDS:
Photosynthesis
Endothermic
Exothermic
Limiting factor
Aerobic respiration
Anaerobic respiration
Fermentation
Lactic acid
Oxygen debt
Metabolism