Biology Crossword

5. RNA virus, such as HIV, with the reverse transcriptase in its core.
8. protein that can cause infection or disease.
9. microscopic prokaryotes most are beneficial to humans and the environment
12. prokaryotes whose cell walls do not contain peptidoglycan
13. dormant bacterial cell able to survive for long periods of time during extreme environmental conditions

1. polysaccharide layer secreted around the cell wall by some prokaryotes that prevents the cell from drying out and helps the cell attach to environmental surfaces
2. form of reproduction used by some prokaryotes in which the prokaryotic cells attach to each other and exchange genetic material
3. ________ cycle - viral replication process in which viral DNA inserts inti the host cells chromosome.
4. ________ cycle - replicates the viral DNA or RNA
6. ________ fission - asexual form of reproduction used by some prokaryotes in which a cell divides into two genetically identical cells
7. an irregularly-shaped region within the cell of a prokaryote that contains all or most of the genetic material
10. outer protein layer that surrounds the genetic material of a virus
11. nonliving strand of genetic material that cannot replicate on its own, has a nucleic acid core, protein coat, and can invade cells and alter cellular function