DNA polymerase assembles new strands in a ____
a. 5' to 3' direction only
b. 5' to 3' direction building one strand and a 3' to 5' direction building the other stand
c. 5' to 3' direction building the first half of a strand and a 3' to 5' direction building the second half of a strand
d. 3' to 5' direction building the first half of a strand and a 5' to 3' direction building the second half of a strand
e. 3' to 5' direction on the "old" 3' to 5' strand
ANSWER: a
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Fill in the blank(s) with correct word