試題詳解

33. Which of the following correctly describes a difference between RNA & DNA polymerases?
(A) RNA polymerases usually do not need a template, while DNA polymerases do.
(B) DNA polymerases usually require a primer (i.c., they can only continue a strand, not start one), while most RNA polymerases do not.
(C) RNA polymerases usually synthesize introns, while DNA polymerases synthesize cistrons.
(D) RNA polymerases polymerize 5' 3', while DNA polymerases polymerize 3' 5'.