Here are the matches for the terms in Column A with the definitions in Column B:
- bacteriophage: d. a virus that infects bacteria
- capsid: a. the protein coat that surrounds a virus
- lysogenic infection: b. the type of infection in which a virus does not immediately start replicating itself but inserts a piece of DNA into the host cell's genome which becomes activated at a later date
- lytic infection: c. a type of infection in which a virus immediately starts replicating in the host cell
- prophage: f. a piece of virus DNA that becomes a part of a bacterium's genome
- retrovirus: e. a virus that, upon infection of a host cell, makes a DNA copy of its RNA and inserts that piece of DNA into the cell's genome
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