Virus A tiny, nonliving particle that invades and then reproduces inside a living cell.
obligate parasites unable to grow outside of a living host
Bacterophage A virus that infects bacteria
Zoonotic disease that can be transmitted between animals and humans
size of viruses 10-100 nm smaller tha...
Ch19 Bio 114 Review Questions and
Correct Answers
Virus ✅A tiny, nonliving particle that invades and then reproduces inside a living cell.
obligate parasites ✅unable to grow outside of a living host
Bacterophage ✅A virus that infects bacteria
Zoonotic ✅disease that can be transmitted between animals and humans
size of viruses ✅10-100 nm smaller than a bacteria
Capsid ✅Outer protein coat of a virus
helical ✅having the shape or form of a helix; spiral
Viral envelope ✅A membrane that cloaks the capsid that in turn encloses a viral
genome.
Bacteriophage ✅A virus that infects bacteria
host range ✅The limited range of host cells that each type of virus can infect and
parasitize.
virulent virus ✅a virus that lyses or kills the host cell after infection
temperate virus ✅a virus whose replication includes the lysogenic cycle
lysogenic cycle ✅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
attachment ✅specificity between proteins on virus surface and receptor molecules on
host surface
Penetration ✅whole virus may enter host or only nucleic acid may enter
Animal viruses may be taken up by ✅endocytosis
Synthesis ✅viral genome and proteins made
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