Life Science Chapter 6 Terms Quiz Question Preview (ID: 58359)
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small, circular piece of DNA located in the cytosol of many bacteria
a) plasmid
b) latent virus
c) active virus
d) ribosome
a weakened or dead (inactive) form of a virus
a) latent virus
b) vaccine
c) bacterial agent
d) antibiotic
hides inside the host cell can be inactive for months or years before it forces the cell to reproduce it
a) active virus
b) capsid
c) latent virus
d) endospore
a virus that becomes active immediately after entering the cell, forcing the host cell's own machinery to make more viruses
a) latent virus
b) antibiotic
c) vaccine
d) active virus
an inflamed blister in or near the mouth, caused by activation of a latent virus. The cells destroyed by the activated virus form the cold sore.
a) cold sore
b) bacterial infection
c) probiotic
d) prebiotic
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a) endospore
b) virus
c) bacteria
d) capsid
outer protein coat of a virus
a) endospore
b) lipid
c) capsid
d) cell wall
living cell in which a virus replicates
a) receiver
b) implant
c) binary fission
d) host
a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus
a) bacteria
b) virus
c) bacteriophage
d) tartigrade
the slimy outer coating around a bacterium
a) endospore
b) capsule
c) outerspore
d) shell
the whip-like structure used to move a bacterium
a) tail
b) cilia
c) flagellum
d) impeller
A thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions.
a) capsid
b) lipid
c) cell wall
d) endospore
cycle of viral infection; results in replication of virus and cell destruction
a) lytic cycle
b) lysogenic cycle
c) binary fission
d) lipid replication
the way bacteria replicate where one cell divides into two cells of the same size
a) lytic cycle
b) binary fission
c) lysogenic cycle
d) lipid reproduction
a viral reproductive cycle in which the viral DNA is added to the host cell's DNA and is copied along with the host cell's DNA
a) binary fission
b) lytic cycle
c) lysogenic cycle
d) lipid replication
The fluid portion of the cytoplasm.
a) nucleus
b) osmosis
c) active transport
d) cytosol
A tiny organism that lives in one of Earth's harshest environments
a) extremeophile
b) bacteriphage
c) binary cell
d) heterotroph
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