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Biology Ch. 23-24
Question | Answer |
---|---|
virus | an infective agent that is able to multiply only withing the living cells of a host |
envelope | nucleus, the outer covering of a cell |
retrovirus | any group of RNA viruses that insert a DNA copy of their genome into the host |
bacteriophage | a virus that parasites a bacterium by infecting it and reproducing inside of it |
lytic cycle | a cycle of viral reproduction, results in destruction of the infected cell and its membrane |
virulent lysis | kill their hosts upon entry through cell lysis |
lysogenic cycle | a cycle of viral reproduction |
temperate virus | a phage that does not lyse its host immediately but may persist in latent form and eventually lyse its host |
prophage | the genetic material of a bacteriophage |
inactivated virus | contains pathogens which are grown in culture and then killed |
attenuated virus | a weakened, less vigorous virus |
vector | a quantity having direction and magnitude |
antibiotic | a medicine that inhibits the growth of or destroys microorganisms |
conjunction | the bacterial equivalent of sexual reproduction |
obligate anaerobe | poisoned by oxygen, and gather at the bottom of the tube |
facultative anaerobe | an organism that makes ATP by aerobic respiration |
exotoxin | a toxin released by a living bacterial cell into its surroundings |
antibiotic resistance | the ability of a microorganism to withstand the effects of an antibiotic |
pathology | the science of the causes and effects of diseases |