In cancer, the reversion of cells to a more primitive or less differentiated state is called

Which family has received most interest in their development as a biological control agent against insects?

Viral RNA is replicated in the host cell

Intracellular structures formed during many viral infections, called __________ , which can directly disrupt cell structure.

The __________ of the influenza-enveloped virus appear to be involved in attachment to the host cell receptor site.