STRUCTURE AND FUNCTION OF CELLS

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BIOLOGY UNIT 1
emilywilliams
Mind Map by emilywilliams, updated more than 1 year ago
emilywilliams
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STRUCTURE AND FUNCTION OF CELLS
  1. PARTS AND ORGANELLES
    1. CELL WALL
      1. SUPPORT, NO MEMBRANE
      2. NUCLEUS
        1. CONTROLS ACTIVITIES OF CELL
        2. RIBOSOMES
          1. SITE OF PROTEIN SYNTHESIS
          2. CELL MEMBRANE
            1. CONTROLS WHAT MOVES THROUGH
            2. GOLGI BODY
              1. PACKING AND STORING CHEMICALS FOR TRANSPORT
              2. MITOCHONDRIA
                1. POWER HOUSE, RESPIRATION
                2. ROUGH ENDOPLASMIC RETICULUM
                  1. PROTEIN MADE FOR EXPORT
                  2. CHLOROPLASTS
                    1. INVOLVED IN PHOTOSYNTHESIS
                    2. LYSOSOMES
                      1. DESTROYS OLD CELLS & ORGANELLES
                    3. PASSIVE TRANSPORT
                      1. OSMOSIS
                        1. the net movement of free water from areas of low solute concentration to high solute concentration
                          1. HYPERTONIC
                            1. increase/high solute concentration
                            2. ISOTONIC
                              1. equal solute concentration
                              2. HYPOTONIC
                                1. low solute concentration
                              3. DIFFUSION
                                1. the net movement of molecules from areas of high concentration to low concentration
                                  1. AN EVEN DISTRIBUTION OF MOLECULES
                                    1. RATE DEPENDS ON:
                                      1. CHARGE OF IONS
                                        1. TEMPERATURE
                                          1. DIAMETER OF IONS
                                            1. CONCENTRATION GRADIENT
                                        2. ACTIVE TRANSPORT
                                          1. Energy is used to move substances from low to high concentration usually via carrier proteins
                                            1. ENDOCYTOSIS
                                              1. traveling into the cell
                                              2. EXOCYTOSIS
                                                1. travelng out of the cell ie removal of waste
                                            2. TYPES OF CELLS
                                              1. PROKARYOTIC
                                                1. SMALL/LACK SPECIALISATION
                                                  1. SINGLE CHROMOSOME
                                                    1. REACTIONS OCCUR IN CYTOPLASM
                                                      1. NO MEMBRANE BOUND ORGANELLES
                                                        1. RIBOSOMES IN BOTH
                                                        2. EUYKARYOTIC
                                                          1. RELATIVELY LARGE
                                                            1. MEMBRANE BOUND ORGANELLES
                                                              1. MULTIPLE ORGANELLES
                                                                1. REACTIONS OCCUR IN ORGANELLES
                                                                2. CELL/ PLASMA MEMBRANES
                                                                  1. FUNCTIONS
                                                                    1. BOUNDRY OF CELL
                                                                      1. CONTROL OF SUBSTANCES PASSING THROUGH
                                                                        1. ENCLOSES ORGANELLES
                                                                          1. CELLULAR COMMUNICATION
                                                                            1. TRANSPORT OF MOLECULES
                                                                              1. ELECTRICAL ACTIVITY
                                                                              2. STRUCTURES
                                                                                1. GLYCO PROTEIN
                                                                                  1. cell recognition, proteins and carbohydrates
                                                                                  2. CARRIER PROTEIN
                                                                                    1. receives signalling molecules (hormones)
                                                                                    2. RECEPTOR PROTEIN
                                                                                      1. carries substances across the membrane
                                                                                  3. FACILITATED TRANSPORT
                                                                                    1. Passive transport from high to low concentration via protein channels and carrier proteins
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