Plasma from a Sick Mouse Is Filtered Across a Membrane

question 27

Multiple Choice

Plasma from a sick mouse is filtered across a membrane that has a 200 nm pore size.If the filtrate is still infectious when injected into a healthy mouse,then the pathogen is most likely a(n) :

• A)bacterium
• B)archaean
• C)fungus
• D)virus
• E)parasitic worm

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