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19 Cards in this Set
- Front
- Back
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virus |
nonliving particle made of proteins, nucleic acids, and sometimes lipids |
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capsid |
protein coat surrounding a virus |
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bacteriophage |
bacteria eaters |
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lytic infection |
a virus enters a cell, duplicates, then bursts |
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lysogenic infection |
host cell isn't immediately taken over |
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prophage |
bacteriophage DNA that becomes embedded in the bacterial host's DNA |
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retroviruses |
a group of RNA viruses |
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prokaryotes |
unicellular organisms that lack a nucleus |
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bacilli |
rod-shaped prokaryotes |
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cocci |
spherical prokaryotes |
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spirilla |
spiral and cork-shaped prokaryotes |
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binary fission |
when a prokaryote nearly doubles its size, replicates its DNA, divides it in half, |
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endospore |
thick internal wall that encloses the DNA and portion of the cytoplasm |
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conjugation |
a hollow bridge forms between two bacterial cells, then genetic material moves from one cell to the other |
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pathogens |
disease-causing agents |
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vaccine |
preparation of weakened or killed pathogens |
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antibiotics |
drug used to attack bacterial infection |
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emerging disease |
an unknown disease that appears for the first time a well-known disease that suddenly becomes harder to control |
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prions |
protein infectious particles |
