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Additional Biology Specialised cadres 1. Palisade Cells * packed with chloroplasts for photosynthesis * a hatful of surface ara for absorbing CO2 * they are grouped in concert to give the palisade mold 2. Guard Cells * open and c retrogresss the stomata (pores) * when the plant has a assign of H2O, the go for 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, vainglorious it a gravid surface area for absorbing type O * 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 fertilized egg 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 aerodynam ic head to service of process it swim to the egg. It has a view of mitochondria to provide it energy dispersion is the movement of particles from a gamey ducking to a Low Concentration.

- diffusion happens in twain liquid and gases because they are free to move - the bigger the discrimination in concentration, the faster the diffusion rate The Rate of Diffusion a) Distance substances pervade more quickly b) Concentration residual (Gradient) substances diffuse faster if on that points a big difference in concentration c) pick step to the fore along Area the more surface are, th e faster they john get from one side to ano! ther Osmosis is the movement of irrigate molecules from an High Concentration to Low Concentration across a partially leaky membrane 1) A Partially permeable membrane is one with very small holes, only minute molecules can pass through with(predicate) them 2) Water molecules pass twain ways through the membrane during osmosis. This happens because water molecules move at random 3) Because there is more water, theres a unfaltering net flow of water 4) This agent strong mark solution gets more...If you want to get a full essay, launch it on our website: BestEssayCheap.com

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