In E Coli, There Is a Mutation in a Gene Called

question 32

Multiple Choice

In E. coli, there is a mutation in a gene called dnaB that alters the helicase that normally acts at the origin. Which of the following would you expect as a result of this mutation?

• A) No proofreading will occur.
• B) No replication fork will be formed.
• C) The DNA will supercoil.
• D) Replication will occur via RNA polymerase alone.
• E) Replication will require a DNA template from another source.

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Definitions:

Tragus

A small, pointed cartilaginous flap located in front of the ear canal, often used as a landmark for various medical procedures.

Iliac Crest

The upper border of the ilium, a significant landmark in the pelvic bone, important for anatomical orientation and as a site for surgical procedures.

Vertebra

One of the individual bones that stack to form the vertebral column, or spine, providing structural support and protecting the spinal cord.