Bacteriophages
One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase.

RNA ligase
RNA replicase
RNA transcriptase
RNA polymerase

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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 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
the envelope and its imbedded proteins are derived from the host's membranes

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