- Created by: maddieecarr
- Created on: 27-11-19 16:30
- photosynthesis is an endothermic reaction
- during photosynthesis energy is transferred from the environment to the cholroplasts by light.
- photosynthesis converts carbon dioxide and water into glucose. oxygen is formed as a by-product.
carbon dioxide + water --light-> glucose + oxygen
- leaves are well adapted to allow the maximum amount of photosynthesis to take place.
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B8.2: The Rate of Photosynthesis
- the rate of photsynthesis may be affected by light intensity, temperature, levels of carbon dioxide and the amount of chlorophyll.
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B8.3: How Plants Use Glucose
- plant and algal cells use the glucose produced during photosynthesis for respiration, converting into insoluble starch for storage. this produces cellulose to strengthen the cell walls and to produce amino acids for protein synthesis.
- plants and algal cells use nitrate ions in the soil or water to make amino aids used to make proteins.
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B8.4: Making the Most of Photosynthesis
- the factors that limit the rate of photosynthesis interact and any of these factors may limit photosynthesis.
- limiting factors are important in the economics of enhancing the conditions in greenhouses to gain the maximum amount of photosynthesis while also making substancial profit.
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