B4: Photosynthesis

Mind Map by Daniellex3, updated more than 1 year ago
Created by Daniellex3 almost 6 years ago


Information from OCR gateway additional science textbook

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B4: Photosynthesis
1 To make their own food plants take in...
1.1 Carbon Dioxide from the air through pores called Stomata
1.2 Water from the soil through root hairs
2 Equations
2.1 carbon dioxide + water ---(sunlight)---> glucose + oxygen
2.2 6CO2 + 6H2O ---(sunlight)---> C6H12O6 + 6O2
3 What does the plant make in photosynthesis?
3.1 Food - this is glucose. Used for respiration and stored
3.2 Oxygen - waste gas that is produced. Used for respiration and given off through the Stomata to surroundings
4 Storing Glucose
4.1 Three Advantages...
4.1.1 Starch can be converted back into glucose for respiration in plant cells
4.1.2 Starch is insoluble and so will not dissolve in water
4.1.3 Starch does not affect the water concentration inside the cells
5 Plants trap the Sun's energy in Chlorophyll which is in Chloroplasts in their cells
5.1 They use this energy to build up carbon dioxide and water into carbohydrates and oxygen
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