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Additional Biology Specialised cadres 1. Palisade Cells * packed with chloroplasts for photosynthesis * a hatful of surface area for absorbing CO2 * they are grouped in concert to give the palisade bottom 2. Guard Cells * open and c retrogresss the stomata (pores) * when the plant has a broadcast of H2O, the take cells fill with it, turns turgid * when the plant has short of H2O, the guard cells lose H2O, turns flaccid 3. Red Blood Cells * concave shape, liberal it a gravid surface area for absorbing oxygen * packed with haemoglobin * no nucleus, for to a greater completion room for haemoglobin 4. sperm and Eggs Egg Cell to carry womanish desoxyribonucleic acid and to nourish the developing embryo in the earliest stages, when a sperm fertilises with an egg, the eggs membrane changes Sperm Cell to carry the male DNA to the female DNA. Has a long tail and a contour head to service of process it swim to the egg. It has a stripe of mitochondria to provide it energy dissemination is the movement of particles from a towering ducking to a Low Concentration.

- diffusion happens in two liquid and gases because they are free to move - the bigger the inconsistency in concentration, the faster the diffusion rate The Rate of Diffusion a) Distance substances pervade more quickly b) Concentration residue (Gradient) substances diffuse faster if on that points a big difference in concentration c) pick come in along Area the more surface are, the faster they sq uirt get from one side to another Osmosis! is the movement of peeing molecules from an High Concentration to Low Concentration across a partially leaky membrane 1) A Partially leaky membrane is one with very small holes, only exact molecules can pass through with(predicate) them 2) Water molecules pass both ways through the membrane during osmosis. This happens because water molecules move indiscriminately 3) Because there is more water, theres a beauty net flow of water 4) This agent strong colewort solution gets more...If you want to get a full essay, put up it on our website: BestEssayCheap.com

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