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Questions and Answers
What is the classification of coronaviruses that affect humans?
What is the classification of coronaviruses that affect humans?
- Alpha and beta (correct)
- Gamma and delta
- Alpha, beta, gamma, and delta
- Only gamma
Which lineage of beta coronaviruses does MERS belong to?
Which lineage of beta coronaviruses does MERS belong to?
- Lineage A
- Lineage B
- Lineage C (correct)
- Lineage D
What gives coronaviruses their spiked appearance?
What gives coronaviruses their spiked appearance?
- Ribonucleocapsids
- SMEN proteins
- Envelope
- Spike glycoproteins (correct)
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Study Notes
- Coronaviruses are a family of viruses in the nidovirales order.
- They are named after their crown-like appearance.
- There are four classifications of coronaviruses: alpha, beta, gamma, and delta.
- Only alpha and beta coronaviruses affect humans.
- SARS-CoV2 and SARS-CoV belong to the beta virus lineage B.
- MERS belongs to the lineage C of beta coronaviruses.
- There are seven known coronaviruses that affect humans.
- Coronaviruses are enveloped viruses with a positive single-strand RNA genome.
- They have a spiked appearance due to spike glycoproteins.
- SMEN proteins aid in the packaging of viral RNA into ribonucleocapsids.
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