Practical 10: Virology (E-Lab) Part I

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I need the pictures under electron microscope only, then answer with its morphology, name, classification

Last updated 12:12 PM on 5/28/26
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17 Terms

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Influenza Viruses

Classification: Family Orthomyxoviridae; Structure: Pleomorphic (rounded, elongated, or irregular), enveloped virion, helical nucleocapsid; Genome: Segmented, single-stranded, negative-sense RNARNA.

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Paramyxoviruses

Classification: Family Paramyxoviridae (includes Parainfluenza, RSVRSV, HMPVHMPV, Mumps, and Measles); Structure: Pleomorphic (labile envelope), enveloped virion, helical nucleocapsid; Genome: Non-segmented, single-stranded, negative-sense RNARNA.

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Adenoviruses

Classification: Family Adenoviridae; Structure: Non-enveloped virion, icosahedral nucleocapsid consisting primarily of hexons, penton bases, and fibres; Genome: Double-stranded DNADNA.

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Poxviruses

Classification: Family Poxviridae (includes Variola, Vaccinia, Monkeypox, and MCVMCV); Structure: Brick-shaped or ellipsoid (oval), complex, enveloped virion with external surface ridges, containing a core and lateral bodies; Genome: Double-stranded DNADNA.

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Herpesviruses

Classification: Family Herpesviridae (includes HSVHSV 11 and 22, VZVVZV, CMVCMV, and EBVEBV); Structure: Enveloped virion, icosahedral core (nucleocapsid) packaged as a toroid (hollow circular ring); Genome: Double-stranded DNADNA.

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Hepatitis B Virus (HBV)

Classification: Family Hepadnaviridae; Structure: Three morphological forms: spherical, filamentous, and Dane particles (the infectious virion); Genome: Partial double-stranded DNADNA.

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Rabies Virus

Classification: Family Rhabdoviridae; Structure: Bullet-shaped, enveloped virion with protruding spikes (peplomers) and helical nucleocapsid; Genome: Single-stranded, negative-sense RNARNA.

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Picornaviruses

Classification: Family Picornaviridae (includes Enteroviruses, Rhinoviruses, and HAVHAV); Structure: Small, non-enveloped virion with icosahedral nucleocapsid; Genome: Single-stranded, positive-sense RNARNA.

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Filoviridae

Classification: Includes Ebola Viruses and Marburg Viruses; Structure: Filamentous particles resembling a shepherd's crook, a UU, or a 66; enveloped virion with helical nucleocapsid; Genome: Single-stranded, negative-sense RNARNA.

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Coronaviruses

Classification: Family Coronaviridae; Structure: Spherical particles with club-shaped projections (crown-like spikes), enveloped virion with helical nucleocapsid; Genome: Single-stranded, positive-sense RNARNA.

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Flaviviruses

Classification: Family Flaviviridae (includes YFVYFV, DENVDENV, WNVWNV, Zika Virus, and HCVHCV); Structure: Spherical particles, enveloped virion with icosahedral nucleocapsid; Genome: Single-stranded, positive-sense RNARNA.

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Rubella virus

Classification: Family Matonaviridae (previously Togaviridae); Structure: Polymorphic (spherical, elongated, or teardrop-shaped) enveloped virion with icosahedral nucleocapsid; Genome: Single-stranded, positive-sense RNARNA.

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Rotaviruses

Classification: Family Reoviridae; Structure: Spherical particles with a wheel-like appearance, non-enveloped virion with triple-shelled icosahedral nucleocapsid; Genome: Segmented, double-stranded RNARNA.

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Caliciviridae

Classification: Includes Noroviruses and Sapoviruses; Structure: Resembles an enlarged picornavirus, round structured, non-enveloped virion with icosahedral nucleocapsid; Genome: Single-stranded, positive-sense RNARNA.

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Astroviruses

Classification: Family Astroviridae; Structure: Distinctive star-like morphology, non-enveloped virion with icosahedral nucleocapsid; Genome: Single-stranded, positive-sense RNARNA.

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Human Immunodeficiency Viruses (HIV)

Classification: Retroviridae; Structure: Spherical, enveloped virion with a unique cylindrical/cone-shaped core; Genome: Single-stranded, positive-sense RNARNA.

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Human Papilloma Virus (HPV)

Classification: Papillomaviridae; Structure: Non-enveloped virion with icosahedral nucleocapsid; Genome: Double-stranded DNADNA.