The E. coli protein DnaB is
a. a helicase.
b. a polymerase.
c. a gyrase.
d. an SSB.
e. an ATP-hydrolyzing protein.
Ans: a
You might also like to view...
Organisms that are characterized by being unicellular, photosynthetic, and having double shells made of silica are known as
A. dinoflagellates. B. diatoms. C. kelps. D. euglenoids. E. foraminifera.
If a human red blood cell takes the shortest possible route from the right ventricle to the right atrium, then it must travel through this number of capillary beds.
A. one B. two C. three D. four E. five
A halophile would grow best in ________.
A. arid, desert soil B. fresh water ponds C. hot geyser springs D. salt lakes E. acid pools
A nucleotide may contain a(n)
a. base. b. 5-carbon sugar. c. phosphate group. d. adenine. e. all of these