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What are Viruses?
Obligate intracellular pathogens that:
Cannot make their own energy
Depend on a Host Cell's biochemical machinery for it's:
A broad umbrella term for any aspect of this type of infectious agent, including:
Infectious or inactivated virus particle
Viral nucleic acid & protein in an infected cell
Physical particle in the extracellular phase, able to spread to new host cells
Complete intact virus particle
How Small Are Viruses?
Comparison of Characteristics of
Structure of a Virus
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