Biology GCE O ’ Level Revision program. Cells and Osmosis:
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Transcript of Biology GCE O ’ Level Revision program. Cells and Osmosis:
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Cells and Osmosis:
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Turgid Plants are erect, while flaccid ones wilt
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Animal cell in solutions
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“Active Transport”“The movement of particle from an area
of lower concentration to an area of higher concentration by using energy.”
Active transport is involved in a number of processes occurring within an organism
This includes the absorption of: Dissolved mineral salts by the root hairs, Glucose and amino acids by cells in the
small intestine of humans by villiFig. 2.4 Active transport-molecules diffuse against the concentration gradient from B to A.