Biology 113
Fall 2001
Lecture outline 7
9/10/01
The eukaryotic cell (continued)
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functional consequences of eukaryotic cell structure
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large size
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problems associated with getting bigger
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solutions
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microenvironments, specialized functions
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structural complexity and ability to change shape
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genomic complexity
Viruses
general structure and function
components
classification
Lysogenic and lytic cycles of bacteriophage
Prions
Mad cow and related diseases
Experimental evidence for protein rather than nucleic acid as the source
of infectivity
The prion protein, conformational change as basis for the disease
Many questions remain
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