Regarding viral host specificity, successful infection depends primarily upon

A. Similar genome size

B. Presence of specific receptors on the host cell surface

✓

C. Size of the viral capsid

D. Amount of viral protein

📝 Explanation

Viruses can infect only cells possessing compatible receptors that allow attachment and entry. This determines host specificity and tissue tropism.

📖 Additional Information

Similar genome size
Presence of specific receptors on the host cell surface
Size of the viral capsid
Amount of viral protein

Viruses can infect only cells possessing compatible receptors that allow attachment and entry. This determines host specificity and tissue tropism.

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