Ineed on a biology practice ? 1. a unicellular organism with no nucleus is a (1 point) 2. the type of infection in which a virus does not immediately start replicating itself, but inserts a piece of dna into the host cell’s genome which becomes activated at a later date is called a (1 point) 3. a spiral or corkscrew-shaped prokaryote is called (1 point) 4. the thick internal wall that can enclose a prokaryote’s dna and some cytoplasm when conditions are unfavorable is called a (1 point)