Biology Revision 0.0 / 5 ? BiologyEverythingIGCSEAQA Created by: AshLaufeyCreated on: 18-03-16 10:47 What is diffusion? The net movement of particles of a gas or a solute from an area of high concentration to an area of low concentration 1 of 11 What is osmosis? The net movement of water from an area of high concentration (of water) to an area of low concentration (of water) along a concentration gradient 2 of 11 What is active transport? The movement of substances against a concentration gradient and/or across a cell membrane, using energy 3 of 11 What is the nucleus? An organelle found in many living cells containing the genetic information 4 of 11 What is the cytoplasm? The water-basd gel in which the organelles of all living cells are suspended 5 of 11 What is the cell membrane? The membrane around the contents of a cell which controls what moves in and out of the cell 6 of 11 What is the mitochondria? The site of aerobic cellular respiration 7 of 11 What are Ribosomes? The protein sythesis in a cell 8 of 11 What is the cell wall? A rigid structure which surrounds the cells of living organisms except animals 9 of 11 What are chloroplasts? The organelles in which photosynthesis takes place 10 of 11 What is a permanent vacuole? A space in the cytoplasm filled with cell sap which is ther all the time 11 of 11
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