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Viruses May 07, 2012 head tail tail fibers DNA protein coat host cell membrane Viral DNA being injected into bacterium bacteriophages bacteriophages attacking cell

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Viruses May 07, 2012

head

tailtail fibers

DNAprotein coat

host cellmembrane

Viral DNA being injected into bacterium

bacteriophages

bacteriophages attacking cell

Viruses May 07, 2012

Lambda phage

Viruses May 07, 2012

images from http://www.webbooks.com/MoBio/Free/Ch1F1.htm

The Lytic Cycle The Lysogenic Cycle

Viruses May 07, 2012

HIV retrovirus attacks human white blood cells

Human papillomavirus

Viruses May 07, 2012

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