Describe is photosynthesis?
The chemical change which happens in the leaves of green plants. It is the first step towards making food - not just for plants but ultimately every animal on the planet.
During photosynthesis:
Light energy is absorbed by chlorophyll, a green substance found in chloroplasts in some plant cells and algaeAbsorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucoseOxygen is released as a by-product
This equation summarises what happens in photosynthesis:
carbon dioxide + water ----sunlight----> glucose + oxygen
MB
Related Biology GCSE answers
All answers ▸How can white blood cells defend against pathogens? (Give 3 ways)
Of what smaller molecules are carbohydrates made of and what is their main function in the body?
How are red blood cells adapted for transport of oxygen?
How does the human body's respiratory system enable the rapid exchange of gases between oxygen and CO2?