New GCSE Biology syllabus
The key facts for GCSE Photosynthesis
It is vital that you understand the key elements of the process of photosynthesis. Across all examination boards, AQA, WJEC, Edexcel and more, this process, which takes place in plants, forms a large part of the syllabus. We are here to help you understand what photosynthesis is about, so take a look at the following facts which are simply broken down.
Photosynthesis is:
The process by which breakdown carbohydrates using energy taken from a light source
Light energy is absorbed by chlorophyll
Chlorophyll is found in chloroplasts which are located in the leaf of the plant
The conversion of carbon dioxide and water into glucose and oxygen
Broken down into the following equation: 6CO2 + 6H20 → C6H1206 + 602
Oxygen is released as a by-product of photosynthesis and the glucose produced is used for respiration
An endothermic reaction
Leaves are adapted to carry out photosynthesis:
They have a large surface area so that maximum light can be taken
Leaves are thin so that the gases can diffuse more easily
They have a thin waxy cuticle which protects the leaf but does not cause an obstacle to light getting in
Photosynthesis occurs in every plant and we rely on this process to produce the oxygen that we breath around us every day. To learn more about photosynthesis check out our Photosynthesis songs - part 1 and part 2 - to get all the key facts!
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