CELLS AND CELLS PHYSIOLOGY

CELLS AND CELLS PHYSIOLOGY

1. The basic unit of all living things.

   • ANIMAL CELLS
     • PARTS FUNCTION
       • Nucleus: control centre of the cell.
         • Cytoplasm: suspends all the cell organelles.
           • Cell membrane: controls what enter and leave the cell.
             • Mithocondrion: production of energy.
               • Vacuole: used for storage.
                 • Ribosomes: makes proteins.
   • PLANT CELLS
     • PARTS FUNCTION
       • Nucleus: control centre of the cell.
         • Cytoplasm: suspends all the cell organelles.
           • Cell membrane: Controls what enter and leave the cell.
             • Cell wall: surrounds and protects the cell.
               • Chloroplast: converts sunlight into plants food.
                 • Vacuole: used for storage.
                   • Mithocondrion: production of energy.
                     • Ribosomes: makes proteins.

2. EXPERIMENTS

   • EXAMINE AN ANIMAL CELL
     • METHOD
       • 1. Swab inside cheek with disposable swab.
         • 2. Transfer the sample to the slide with a drop of water.
           • 3. Apply the cover slip (45º) and examine it.
             • Stained
               • 1. Swab inside cheek with disposable swab.
                 • 2. Transfer the sample to the slide.
                   • 3. Cover it with a drop of methylene blue solution.
                     • 4. Apply the cover slip (45º) and examine it.
       • Unstained
   • EXAMINE A PLANT CELL
     • METHOD
       • Unstained
         • 3. Apply the coverslip and examine.
           • 1. Separate 2 fleshy leaves and peel off the epidermis between them.
             • 2. Put the piece into water on the slide.
         • Stained
           • 3. Apply the coverslip and examine.
             • 2. Put the piece in the slide with iodine solution.
               • 1. Separate 2 fleshy leaves and peel off the epidermis between them.

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