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bacteria and viruses
development of life from preexisting life
a virus or organism that can cause disease
A unicellular organism that lacks a nucleus and membrane bound organelles
archaea that live in extreme environments
autotrophs that use light to create energy
outer protein coat of a virus
bacteria that have simpler walls with a relatively large amount of peptidoglycan (purple)
bacteria that have less peptidoglycan and are structurally more complex (pink)
the division of a prokaryotic cell into two offspring cells
process by which certain bacteria convert nitrogen gas to ammonia
In bacteria, the direct transfer of DNA between two cells that are temporarily joined.
a thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions
virus that contains RNA as its genetic information
viruses that infect bacteria
cycle of viral infection; results in replication of virus and cell destruction
uses bacteria to break down pollutants
symbiotic relationship where one partner benefits & the other is unaffected
an enzyme that catalyzes the formation of DNA from an RNA template