EOY Biology Revision- Cells

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  • Created by: amyisag
  • Created on: 31-05-17 14:12

Cells

  • cells are the fundamental unit "building block" of organisms
  • a microscope is used to observe cells.
  • the process by which material moves into and out of cells is diffusion
  • multicellular organisms are organised (cells, tissues, organs, organ systems, organisms)
  • tissues: muscle, epithelial, connective and nervous
  • organs: the heart, lungs, liver, eyes, and stomach
  • cell-Image result for the main parts of a plant cell (http://mrshscience.weebly.com/uploads/1/4/5/6/14566620/922316497.jpg?418)
  • unicelliar organisms only have one cell.
  • animal cells and plant cells have features in common, such as a nucleus, cytoplasm, cell membrane. Plant cells also have a cell wall, and often have chloroplasts and a permanent vacuole.
  • diffusion- molecules move from an area of high concentration to an area of low concentration.
  •  nucleus function- it contains the majority of the cell's genetic

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