Movement into and out of cells mind map

Movement into and out of cells

• Diffusion
  • Net movement down gradient
    • High to low concentration
    • Random movement
  • Energy: kinetic energy
    • Molecules and ions
    • No cell energy
  • Through cell membrane
    • Gases
    • Solutes
  • Importance
    • Oxygen for respiration
    • Carbon dioxide for photosynthesis
    • Food absorption
    • Urea removal
  • Factors
    • Surface area
    • Temperature
    • Concentration gradient
    • Distance
• Osmosis
  • Water as a solvent
    • Digestion
    • Excretion
    • Transport
  • Osmosis of water
    • Partially permeable membrane
    • Cell membrane
  • Investigations
    • Dialysis tubing
    • Potato cylinders
    • Percentage change in mass
  • Plant support
    • Water presses on cell wall
  • Water potential Supplement
    • High to low
    • Dilute to concentrated
  • Plant cells in solutions Supplement
    • Turgid
    • Turgor pressure
    • Flaccid
    • Plasmolysis
• Active transport
  • Against concentration gradient
    • Low to high
  • Energy from respiration
    • Mitochondria
  • Ion uptake by root hairs Supplement
    • Mineral ions
    • Nitrate
  • Protein carriers Supplement
    • Bind
    • Change shape
    • Release