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CB - Photosynthesis

Cell Biology - Topic 8 - Photosynthesis

QuestionAnswer
In which cell structure does photosynthesis occur? chloroplasts
What pigment inside the chloroplast traps light energy from the Sun? chlorophyll
What are the 2 products of photosynthesis? oxygen & glucose
What type of molecule controls each step in the photosynthesis reaction? enzymes
What does light energy do to water? splits it into hydrogen and oxygen
What does chlorophyll convert light energy into? chemical energy
What products from stage 1 of photosynthesis are needed for stage 2? hydrogen & ATP
What happens to the oxygen produced during stage 1? diffuses out of leaves as a by-product
What is stage 1 of photosynthesis called? light dependent stage
What is stage 2 of photosynthesis called? carbon fixation
What molecule combines with hydrogen during carbon fixation? carbon dioxide
What is the product of the carbon fixation stage? glucose
What molecule can glucose be turned into which helps strengthen cell walls? cellulose
What molecule can glucose be turned into which acts as a storage carbohydrate? starch
Describe what is meant by a limiting factor of photosynthesis. something that when in short supply limits the rate of photosynthesis
Limiting factors of photosynthesis include temperature, carbon dioxide concentration and... light intensity
Created by: StNiniansHS