Across
- 1. the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.
- 3. a method of staining used to classify bacterial species into two large groups: gram-positive bacteria and gram-negative bacteria.
- 4. An organism that depends on inorganic chemicals for its energy and principally on carbon dioxide for its carbon
- 6. a virus that effects plants
- 7. a long, lashlike appendage serving as an organ of locomotion in protozoa, sperm cells
- 8. a virus that efects animals
- 9. One of three forms of bacteria, usually rod-shaped.
- 10. a spherical bacterium.
- 11. capable of using light as the energy source in the synthesis of food from inorganic matter
Down
- 2. any of several spirally twisted, aerobic bacteria of the genus Spirillum, certain species of which are pathogenic for humans.
- 5. an infection that spreads through a large poulation
- 9. any of a group of viruses that infect specific bacteria, usually causing their disintegration or dissolution.