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Coronovirus's virion is ________.
coiled helical nucleocapsid with a spherical envelop
Coronavirus's envelope is characterized by ________.
Coronavirus's genome is _________.
linear (+) ssRNA
Coronavirus's genome includes ________.
a 5' cap and poly A tail
Coronavirus Replicase genes are _________.
Tnl directly from genome RNA in read in two open reading frames joined by frameshift and tnl as a polyprotein.
Coronavirus other genes are Tnl from _________.
multiple 3' subgenomic mRNA's
Coronavirus's diseases include ______.
Coronavirus's distinct characteristics include _____, _______, ________, ___________.
- Largest known RNA genome
- Large replicase polprotein cleaved by viral proteinases to many fxnl prot.
- Subgenomic mRNAs made by discontinuous trx mechanism
- Error -prone RNA polymerase and high rate of RNA recombination result in rapid adaptation and changes in host range/disease
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