Viruses are composed of
A) nucleic acids only.
B) proteins only.
C) nucleic acids and proteins.
D) nucleic acids, proteins, and organelles.
E) nucleic acids and proteins, although a few also have organelles.
Correct Answer:
Verified
Q11: In DNA, 5-methylcytosine
A) forms a base pair
Q12: Which of the following statements about the
Q13: Beginning with a single bacterium, how many
Q14: Epigenetic changes
A) can involve DNA methylation.
B) are
Q16: Control of gene expression in eukaryotes includes
Q17: Which of the following statements about the
Q18: An operon is
A) a molecule that can
Q19: The transfer of genes by a bacteriophage
Q20: Viruses
A) arise from preexisting viruses.
B) replicate their
Q48: Viruses are
A) cells containing DNA and protein.
B)
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