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

question 67

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) The DNA strands at the origin of replication will separate, but replication will not progress.
• C) The DNA will supercoil.
• D) Replication will require a DNA template from another source.