AP Biology Chapter 19 Vocab

AP biology ch apter 19

20 cards   |   Total Attempts: 184
  

Cards In This Set

Front Back
Protein shell enclosing the viral genome
Capsid
Membrane that cloaks the capsid that in turn encloses a viral genome
Viral envelope
Viruses that infect bacteria
Bacteriophage/phage
Limited variety of hosts a phage can infect
Host range
Phage reproductive cycle that culminates in the death of the host cell
Lytic cycle
Phage that reproduces only by the lytic cycle
Virulent phage
Endonuclease that recognizes &cuts DNA molecules foreign to a bacterium
Restriction enzyme
Allows replication of the phage without destroying the host
Lysogenic cycle
Phage capable of using both modes of reproducing within a bacterium
Temperate phage
Phage genome that has been inserted in to a specific site on a bacterial chromosome
Prophage
RNA virus that reproduces by transcribing its RNA into DNA &then inserting the DNA into a cellular chromosome
Retrovirus
Transcribes and RNA template into DNA, providing and RNA --> DNA information flow, the opposite of the usual
Reverse Transcriptase
The retrovirus that causes AIDS
HIV
Symptoms and signs present during the late stages of HIV infection, defined by a specified reduction in the # of T cells & the appearance of characteristic secondary infections
AIDS
Integrated viral DNA that never leaves the host's genome, remaining a permanent resident of the cell
Provirus