Biology Topic One

  • Created by: em3fr
  • Created on: 18-03-19 18:52
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  • Biology T1
    • Cells
      • Procaryotes - single celled organism
      • Eukaryotes - complex cells
      • Animal cells
        • Cytoplasm, Nucleus, Cell Membrane, Mitochondria,
      • Plant cells
        • Everything an animal cell has + Chloroplasts, Cell wall, vacuole
    • Microscopy
      • Electron Microscope
        • Use electrons instead of light to form an image
        • Better quality/definition
      • Light Microscope
        • Use light and lenses
      • Magnification = image size/real size
    • Differentiation + Specialisation
      • Differentiation is when a cell becomes specialised for its job
      • Sperm cells - mitochondria and long tail
        • Root hair cells - large surface area
    • Chromosome + Mitosis
      • Chromosomes hold all your genetic information
      • Mitosis - division of cells to make daughter cells
    • Binary Fission
      • Prokaryotic cells way of replicating
    • Culturing microorganisms
      • Way to grow bacteria in a lab
      • The larger the inhibition zone, the better the antibiotic
    • Stem cells
      • Cells, that can turn into any type of cell - undifferentiated
      • Can cure diseases
    • Diffusion + Osmosis
      • Diffusion is the spreading out of particles from higher concentration to lower
      • Water molecules moving through partially permeable membrane from higher conc. to lower
    • Active Transport
      • Lower concentration to higher

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