Bacteriophages
Which of the following properties is due to lysogenic conversion by phages?

All of these
Antigenic variation in Salmonella anatum
Toxin production in Clostridium botulinum types C and D
Toxin production in Corynebacterium diphtheriae

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Bacteriophages
In viruses with envelopes

the envelope is derived from the host but it contains embedded proteins coded by the viral nucleic acid
the envelope and its imbedded proteins are derived from the host's membranes
the envelope and the embedded proteins are encoded by the viral nucleic acid
the envelope is coded by the viral nucleic acids, but the proteins come from the host's membrane proteins

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