Viruses are difficult to control with antiviral medications, because
A) their evolutionary relationships are difficult to trace.
B) heritable alterations to their genomes occur frequently.
C) they are relatively primitive microbes.
D) they have a protein coat.
E) they are infectious agents.
Correct Answer:
Verified
Q246: Which of the following is a characteristic
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Q248: Which statement about peptidoglycan is true?
A) It
Q249: Ribosomal RNA (rRNA) nucleotide sequences are suitable
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Q252: Chemoautotrophs
A) use organic molecules as a source
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Q254: Lateral gene transfer most likely accounts for
A)
Q255: Before DNA sequencing became practical, taxonomists based
Q256: Ninety percent of the cells in the
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