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Biology 2: Chapter 21

Horizontales
Dormant bacterial cell enclosed by a tough coating that is highly resistant to environmental stress
Protein with carbohydrate molecules attached
Virus that infects bacteria
Outer layer covering the capsid of many kinds of viruses
Chemical used as a drug to kill bacteria
Cycle in which a viral genome replicates as a provirus without destroying the host cell.
Spiral-shaped bacterium
Temporary union of two organisms to exchange nuclear material
A strand of nucleic acid encased in a protein coat that can infect cells and replicate within them
Infectious particles composed of protein with no nucleic acid
Rod-shaped bacterium
A protein sheath that surrounds the nucleic acid core in a virus
Verticales
A disease-causing agent
A gelatinous outer layer enclosing many bacterial cell walls
A virus that evolved in a geographically isolated area and is pathogenic to humans
Cycle of viral infection; results in replication of virus and cell destruction
Chemical compound excreted into the environment by bacteria that are poisonous to eukaryotic cells
Term for processes that do not require oxygen
Spherical-shaped bacterium
Short, thick outgrowth of a bacterium, that allows it to attach to another bacterium
The viral DNA which inserts into a host cell's chromosomes
Term for processes that do require oxygen
In plants, infectious disease agent composed of a single strand of RNA with no capsid