Cell Theory - • Genetic material> catalyst(RNA catalyst...

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Cell Theory - (middle of the nineteenth century) All living organisms are composed of cells. Cells are the functional units of life. Cells can arise only from pre-existing cells. What are the essential parts of the most simple living cell? Cell membrane. Fig. 1 Cell wall. Fig. 2 Genetic material. (Mycoplasma)
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Unformatted text preview: • Genetic material -> catalyst (RNA catalyst not regulated. Protein catalyst can be regulated.) • Metabolism (get energy -> grow & divide) Why are cells limited in size? • Concentration • Diffusion • Limitions can be overcome by cytoplasmic streaming...
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