| Answer | Crossword Clue |
|---|---|
| EUGLENA | Protozoan that can photosynthesize |
| toxoplasma | A parasitic spore-forming protozoan that can sometimes cause disease in humans |
| toxoplasmas | A parasitic spore-forming protozoan that can sometimes cause disease in humans |
| plasmids | A genetic structure in a cell that can replicate independently of the chromosomes, typically a small circular DNA strand in the cytoplasm of a bacterium or protozoan. Plasmids are much used in the laboratory manipulation of genes |
