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Modern Biology Obj. 9.1 DHS
Vocab
14
Biology
9th Grade
12/15/2009

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Cards

Term

 

 

Virus

Definition
a nonliving, infectious particle composed of a nucleic acid and a protien coat; it can ivade and destroy a cell
Term

 

 

Capsid

Definition
A protien sheath that surrounds the nucleic acid core in a virus
Term

 

 

Envelope

Definition
A membranelike layer that covers the capsids of some viruses
Term

 

 

Bacteriophage

Definition
A virus that infects bacteria
Term

 

 

Lytic cycle

Definition
A method of viral replication that results in the destruction of the host cell and the release of many new virus particles
Term

 

 

Pathogen

Definition
A virus, microorganism, or other organism that causes disease; an infectious agent
Term

 

Provirus

 

Definition
Viral DNA that has attached to a host cell's chromosome and that is replicated with the chronosome's DNA
Term

 

 

Lysogenic cycle

Definition
A method of viral replication in which a viral genome is replicated as a proviruus without destroying the host cell
Term

 

 

Flagella

Definition
A long, hairlike structure that grows out of a cell and enables the cell to move
Term

 

 

Pili

Definition
A thick, short hair-like protien structure that allows a bacterium to attach to other bacteria and surfaces
Term

 

 

Coccus

Definition
A sphere-shaped bacterium
Term

 

 

Bacillus

Definition
A rod-shaped bacterium
Term

 

 

Spirillum

Definition
A spiral-shaped bacterium
Term

 

 

Capsule

Definition
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