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explanation please and thank you I'm thinking it would be B or D In the crusade to create a vaccine for Poliomyelitis, Jonas Salk and
explanation please and thank you I'm thinking it would be B or D
In the crusade to create a vaccine for Poliomyelitis, Jonas Salk and Albert Sabin created two separate vaccines that proved to be successful in preventing Polio onset. The Salk vaccine, which is given by standard injection, contained virus particles inactivated by an organic solvent. This method has the advantage of inactivating each of the three Polio strains with no bias. Albert Sabin's vaccine, given by oral inoculation via sugar water, contained live virus particles that had been genetically attenuated. With this method, each of the three Polio strains acquired separate mutations that made them unable to infect the human host cells. Strain 2 in particular contained one single nucleotide polymorphism in the internal ribosomal entry site (IRES) that prevented successful viral replication. The organic solvent used to inactivate the Poliovirus in the Salk vaccine significantly alters the viral capsid. For the purposes of this question, let us assume that the capsid proteins are bound together by multiple di-sulfide bonds. Given this information, which of the solvents listed below would be most effective in disrupting the Poliovirus capsid? a) Ethanol b) Dimethyl sulfoxide (DMSO) c) Methanol d) 2-mercaptoethanolStep by Step Solution
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