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Unformatted text preview: (b). Makes virus more susceptible to chemical agents that dissolve lipids (c). Attachment to host cell membrane (by means of spikes) VIRAL SHAPE : A. Structure of capsid: 1. Subunits – called capsomeres 2. Composed of short chains of amino acids 3. All capsomeres in capsid identical a. Same types amino acids b. Same # amino acids c. Same arrangement amino acids 4. Even # capsomeres in capsid 5. Capsomeres symmetrically arranged around the core to give the virus it’s shape B. Shapes (see figures in handout) 1. Polyhedral (icosahedral - most common) 2. Helical 3. Complex (binal) (With the exception of the pox viruses all animal viruses are icosahedral or helical)...
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- Fall '09