Cell Theory (Topic 2)

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  • Created by: AV
  • Created on: 05-11-12 20:58

1. The Golgi Apparatus is:

  • System of membranes where cisternae synthesise steroids and lipids.
  • A stack of cisternae wih small vesicles that transport and modify proteins
  • A system of membranes throughout cell that form cisternae which transport and modify proteins made by Ribosomes.
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2. Glycoproteins are extracellular components;

  • that are involved in the construction of Ribosomes.
  • That allow cell adhesion and the formation of compact tissues & organs.
  • That allow the cell to develop a high internal pressure so it can support it's own weight

3. Bulk Transport involves:

  • Movement of Vesicles across a membrane known as cytosis
  • The modification and construction of Vesicles
  • Simple & Facilitated Diffusion of molecules/ions.

4. Pili are:

  • Numerous fine protein rods involved with attachment
  • Simple wave shaped hollow cylinders involved in locomotion
  • Self replicating loops of DNA with key functions and few genes

5. Tumours are:

  • A proliferation of cells
  • Are a result of cancer.
  • When cells under divide

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