1.2 Ultrastructure of Cells

1.2 Ultrastructure of Cells

1. Nature of Science

   • Light microscope vs Electron microscope
     • Invention of electron microsocope
       • International-mindedness
         • Microscopes were invented simultaneously in different parts of the world at a time when information travelled slowly.
       • TOK
         • Is there any distinction to be drawn between knowledge claims dependent upon observations made by sense perception and knowledge claims dependent upon observations assisted by technology?
       • Aim 8
         • Developments in science, such as electron microscopy, can have economic benefits as they give commercial companies opportunities to make profits, but this can affect cooperation between scientists.
     • Resolution

2. Comparison

   • Prokaryotes
     • Binary fission
     • Drawing
       • Parts + Functions
         • Pili
         • Flagella
         • Cell wall
         • Plasma membrane
         • 70S ribosomes
         • Nucleiod
         • Naked DNA
   • Eukaryotes
     • Animal cell
       • Exocrine gland cell from pancreas
     • Plant cell
       • Palisade mesophyll cells of the leaf
     • Drawing
       • Organelles + Functions
         • Plasma membrane
         • 80S ribosomes
         • Nucleus
         • Mitochondria
         • Other membrane-bound organelles
     • Interpretation of electron micrographs
   • Animal versus Plant cells
     • Cell wall
     • Chloroplasts
     • Vacuole
   • Prokaryotic versus Eukaryotic cells