NS ePrep Course – Life Science

Crossword Puzzle

Viruses, bacteria, and archaea

Crossword Puzzle on Viruses, Bacteria and Archaea in NS Life Science ePrep course
ACROSS
3. disease-causing agent.
5. photosynthetic, oxygen-producing bacteria.
7. noncellular, infectious particle of protein and nucleic acid; replicates only in a host cell.
10. organism that uses carbon dioxide as its carbon source and obtains energy by oxidizing inorganic molecules.
11. organism that obtains its carbon from organic compounds and its energy from light.
14. virus that infects bacteria.
17. organism that obtains carbon from carbon dioxide and energy from light.
18. organism that breaks down organic compounds in wastes and remains into their inorganic subunits.

DOWN
1. animal that carries a pathogen from one host to the next.
2. mechanism of horizontal gene transfer in which one prokaryote passes a plasmid to another.
4. largest bacterial lineage; members show a wide range of metabolic diversity.
6. prokaryotic lineage that is most similar to eukaryotes.
8. group of small bacteria shaped like a stretched-out spring.
9. organism that obtains energy and carbon by breaking down organic compounds.
12. resistant resting stage of some soil bacteria.
13. organism that produces methane gas (CH4) as a metabolic by-product.
15. one of two lineages of prokaryotic cells; cell walls when present contain peptidoglycan.
16. RNA virus that uses the enzyme reverse transcriptase to produce viral DNA in a host cell.

Go Back to Crossword Puzzles  Main Page

Go to Life Science ePrep Course Page

Go to ePrep Home Page