Dendritic cells are important because they:

Skin is considered a second‑line defense.

Chronic inflammation occurs if acute inflammation fails.

Lysogenic phages differ from lytic phages because they:

Which virus establishes latency in neurons and causes cold sores?

Fever benefits the host by:

Viroids differ from viruses because they:

Innate immunity is present at birth.

Prions contain no nucleic acid.

Persistent viral infections may last for the host’s lifetime.