Stage I DNA Replication in the Bacteriophage $\phi$ X174 Is Carried Out Entirely by Host Cell Proteins

question 25

Multiple Choice

Stage I DNA replication in the bacteriophage $\phi$ X174 is carried out entirely by host cell proteins.Why?

• A)DNA replication is required for penetration of the viral genome into the host cell.
• B)The bacteriophage \(\phi\)X174 does not encode any of its own DNA replication proteins.
• C)The phage genome has become integrated into the host genome.
• D)Only the host cell proteins can replicate a ssDNA genome.
• E)Stage I DNA replication occurs before any viral proteins are expressed.

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Definitions:

Prokaryotes

Microorganisms characterized by the absence of a nucleus, including bacteria and archaea.

Representatives

Individuals or entities that stand in for or act on behalf of others in a particular context or scenario.

Bacteria

Microscopic, single-celled organisms found in virtually all environments, both harmful and beneficial to humans.

Lord Kelvin

A title for William Thomson, a prominent 19th-century physicist known for his work in thermodynamics and for developing the Kelvin scale of temperature.