Rate of Photosynthesis (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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13 cards from this deck
How does temp affect photosynthesis rate (up to optimal)?
How does temp affect photosynthesis rate (up to optimal)?
Rate increases as temp rises
What happens to enzymes above optimal temp in photosynthesis
What happens to enzymes above optimal temp in photosynthesis
Enzymes denature
Effect of higher light intensity on photosynthesis rate
Effect of higher light intensity on photosynthesis rate
Faster rate (more light energy available)
Why does increasing light stop raising photosynthesis rate?
Why does increasing light stop raising photosynthesis rate?
Other factors become limiting
Role of CO2 in photosynthesis
Role of CO2 in photosynthesis
Key reactant
Role of chlorophyll in photosynthesis
Role of chlorophyll in photosynthesis
Pigment that captures light energy
Effect of magnesium deficiency on photosynthesis
Effect of magnesium deficiency on photosynthesis
Reduces chlorophyll, decreases rate
How to measure rate of photosynthesis in aquatic plants
How to measure rate of photosynthesis in aquatic plants
Observe oxygen production
What is measured in capillary tube during experiment
What is measured in capillary tube during experiment
Distance gas bubble travels (oxygen volume)
How to vary temperature in photosynthesis experiment
How to vary temperature in photosynthesis experiment
Use a water bath
How to vary light intensity in photosynthesis experiment
How to vary light intensity in photosynthesis experiment
Adjust lamp distance
What must be controlled in valid photosynthesis experiment
What must be controlled in valid photosynthesis experiment
All factors except independent variable
Aquatic plant used to measure photosynthesis rate
Aquatic plant used to measure photosynthesis rate
Pondweed