exam 1 subjects
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is a specialized element? | capsid
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| viruses are best observed by..... | TEM
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| what kind of staining is used in TEM | negative staining
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| viral envelope is composed of... | lipid membrane and viral protein embedded
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| a nucleocapsid is... | a naked virus
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| how many structual types of viruses are there? | 1. icosahedral
2. helical
3. complex
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| envoloped virus consist of... | nucleocapsid and envelope
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| smallest virus is a... | parovirus
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| genus = ? | virus
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| family = ? | viridae
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| order = ? | virales
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| isosahedron is... | 20 sides, equilateral triangles on each side, 12 corners, and 30 edges... similar to a sphere.
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| 2 fold symmetry for a icosahedron is... | can rotate at 180 degrees and have the same orientation from the side edge
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| 3 fold symmetry for a icosahedron is... | through the middle has equal symmetry
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| 5 fold symmetry for a icosahedron is... | folding through a corner
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| intracapsomeric bond and intercapsomeric bonds are what kind of bonding? | non covalent bonds
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| which one is stronger bonding? inter or intra- caposmeric? | intracapsomeric
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| an example of a complex virus structure | poxvirus
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| what determines virus structure? | protein protein interaction, protein and NA interaction, protein structure, protein sequence, viral gene sequence
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| virus that contain GLUE (matrix protiens) | orthoyxoviridae, pamyxovirdae, rhabdoviridae
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| what type of viruses are sensitive to bile and acid? | enveloped viruses
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| ebola virus | filoviridae
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| rabies virus | rhabdoviridae
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| rota virus | reoviridae
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| common cold | rhinoviruses,adenoviridae, picornaviridae
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| rubella | togaviridae
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| yellow fever and west nile virus | flaviviridae
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| SARS | coronaviridae
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| Influenza | orthomyxoviridae
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| polio | picornaviridae
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| measles | paramyxoviridae
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| chickenpox, herpes, EBV | herpesviridae
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| hanta virus | bunyaviridae
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| lassa fever | arenaviridae
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| primary culture is... | 1st set of cells directly frm a animal and cultured and cells are growing
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| primary cell line is... | primary culture being subcultured that are diploid
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| continuous cell line... | ready supply of immortal aneuploid cells
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| types of assay... | infectivity and physico-chemical
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| types of infectivity assay... | quantal and quantitative
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| quantal assay consist of... | recording the highest dilution that is causing CPE
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| a colony represents a.... | specific strain; pure culture
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| one hit kinetics | one infectious virus is suffient to form a plaque
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| two hit kinetics | 2 virus particles is suffient to form a plaque
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| particle to infectivity ratio (PI)... | total # of particles per infectious sites
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| Efficiency of plating (EOP) | # of infectious units per total # of particle
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| multiplicity of infection (MOI) | m = -ln P(o)
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| one step growth expt is done by | max dulbruck
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