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Plants can make their own food. The process by which plants make food using CO2, H2O and light
energy, this is called PHOTOSYNTHESIS. This takes place in the green parts of plants when it is light

Chloroplast contains CHLOROPHYLL. During photosynthesis LIGHT ENERGY is absorbed by
CHLOROPLAST. This energy…

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Epidermis- protective layer of cells; this epidermis and cuticle are transparent to pass light to the

Veins- made up of tiny tubes; some carry water to the leaves and others carry glucose

Stomata- tiny holes in the lower surface of the leaves that allow gases in and out, A…

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to rise in the night as it respires but doesn't photosynthesis. Then as the light and
temperature increase in the morning, the CO2 all gets used up

Key points
There are 3 main factors that limit the rate of photosynthesis- light, temperature and CO2
We can artificially change the environment…

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GLUCOSE is SOLUBLE, it affects the way water moves in and out of the cells, so large amounts of
glucose stored in the plant cells could affect the water balance of whole plant. Therefore PLANTS
CONVERT GLUCOSE TO STACRCH, WHICH IS INSOLUBLE. This means plants can store large amounts

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lisa linsdell


Good revision notes on photosynthesis, limiting factors and minerals in plants. Watch out for the odd typo especially with the word PHLOEM, not PHOLEM. This aside, key words and phrases are highlighted for easier understanding.

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