Chapter 7: A View Of The Cell Ch. 7.1 The Discovery of Cells The History of the Cell Theory- Before microscopes disease thought to come from supernatural means Cells- the basic unit of living organisms Development of light microscopes- Simple microscopes vs. compound Compound light microscopes- a series of lenses to magnify objects in steps, magnify up to 1,500 times The Cell Theory- Anton Van Leeuwenhoek- first person to record looking at water under a microscope. Robert Hooke- …showed first 75 words of 915 total…

…showed last 75 words of 915 total…that form a framework for the cell. Cellular support- Cytoskeleton provides support for organelles Microtubules- thin hollow cylinders of protein Microfilaments- thin solid proteins fibers Cilia and flagella- Structures that aid in locomotion or feeding Composed of pairs of microtubules, with a central pair surrounded by nine additional pairs, all covered by plasma membrane Cilia- are short, numerous, hairlike projections that move in a wavelike motion Flagella- longer projections that move with a whiplike motion