What adaptation helped the strain of influenza responsible for the pandemic of 1918 to be such an effective infectious agent?
A) resistance to antibiotics
B) airborne mode of transmission
C) mutations in polymerase genes
D) unique protein spikes
Correct Answer:
Verified
Q20: Which of these statements describes the latent
Q21: BSE is caused by an infections protein
Q22: What type of molecule are viroids composed
Q23: Viral genomes are difficult to sequence.
Q24: Creutzfeldt-Jakob disease (CJD) is a fatal prion
Q26: Animal viruses without envelopes enter the host
Q27: All enveloped animal viruses have protein spikes.
Q28: Viroids consist of only RNA molecules.
Q29: Viruses are too small to carry any
Q30: Influenza is caused by a DNA virus.
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