Why Does E

question 46

Multiple Choice

Why does E.coli need both DNA polymerase III and DNA polymerase I?

• A)DNA polymerase III lacks the 5' → 3' exonuclease activity needed to remove RNA primers.
• B)Each polymerase is specific for only one strand of DNA.DNA polymerase III acts only on the leading strand,and DNA polymerase I acts only on the lagging strand.
• C)DNA polymerase I is needed to join the Okazaki fragments.
• D)The DNA replication is bidirectional;one polymerase is used for each direction.
• E)Only DNA polymerase I has proofreading ability.

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Peak Moment

The highest or most intense point in the development or resolution of something.

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An uncomfortable sensory and emotional experience associated with actual or potential tissue damage.

Pain's Duration

The length of time over which an individual experiences discomfort or pain, ranging from acute to chronic.

Peak Moment

The highest or most intense point in an experience or series of events, often marked by a heightened sense of achievement or pleasure.