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Questions and Answers
How many symmetry axes does a virus with icosahedral symmetry possess?
How many symmetry axes does a virus with icosahedral symmetry possess?
- 3 axes
- 6 axes
- 5 axes (correct)
- 4 axes
What is the total number of faces in a virus characterized by icosahedral symmetry?
What is the total number of faces in a virus characterized by icosahedral symmetry?
- 60 faces
- 12 faces
- 20 faces (correct)
- 30 faces
Which of the following describes the number of vertices in an icosahedral virus?
Which of the following describes the number of vertices in an icosahedral virus?
- 12 vertices (correct)
- 15 vertices
- 20 vertices
- 10 vertices
In icosahedral symmetry, how many identical asymmetric subunits are typically found?
In icosahedral symmetry, how many identical asymmetric subunits are typically found?
What is the arrangement of symmetry axes in a virus exhibiting icosahedral symmetry?
What is the arrangement of symmetry axes in a virus exhibiting icosahedral symmetry?
What did the germ theory contribute to the understanding of viral diseases?
What did the germ theory contribute to the understanding of viral diseases?
What was significant about advances in filtration regarding viruses?
What was significant about advances in filtration regarding viruses?
What realization regarding viruses is associated with them being obligate intracellular parasites?
What realization regarding viruses is associated with them being obligate intracellular parasites?
What advancement allowed for the visualization of viruses in detail?
What advancement allowed for the visualization of viruses in detail?
Which of the following accurately characterizes the modern understanding of viral pathogenesis?
Which of the following accurately characterizes the modern understanding of viral pathogenesis?
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Study Notes
Simetria Icosahedral Viral
- Comporta 60 subunitates asimmetric identic, formando un modelo consistente e uniforme.
- Presenta un total de 20 facies, conferente a un aspetto geometrico distintivo.
- Include 12 vertices, pontes important de connectione in le structure.
- Simetria es define per axes de 5-3-2, indicando le arrangemento e diversitate del subunitates in le spazio.
Concepto Moderne de Patogenese Viral
- Teoria Germinal: Recognition que multe patologias virales es causate per agentes vivant, designate como "germs".
- Progressos in Filtrage: Discoverie que cert "germs" pote esser retained per filtras de porcelana unglazate, durante que altere non pote; distinction inter virus filterable e unfilterable.
- Parasitas Intracellular Obligate: Realization que viruses es parasitas requerente un organismo in vivo pro reproducir; tentativas repetite de culturar et propagare viruses extra un organismo host non succedeva.
- Visualisation per Microscopia Electronica (EM): Utilisation de EM pro visualisar viruses, revelante structures particulare con morphologie definite e specific.
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