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) Additional proofreading will occur.
B) No replication fork will be formed.
C) Replication will occur via RNA polymerase alone.
D) Replication will require a DNA template from another source.
B
Biology & Microbiology
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Which of the following can be used by humans as an energy source?
a. chitin b. amino acids c. cellulose d. RNA
Biology & Microbiology
Amphioxus is an example of a
A. tunicate. B. reptile. C. hagfish. D. amphibian. E. lancelet.
Biology & Microbiology
A mite is most closely related to which of the
following?
a. ants b. spiders c. isopods d. leeches e. flukes
Biology & Microbiology
The main parts of a flower are modified versions of which of the following?
A) stems B) rhizomes C) internodes D) leaves
Biology & Microbiology