Choose the Correct Answer from the List Below

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-The enzyme that joins two DNA molecules is _______________.

A) ligase
B) restriction enzymes
C) DNA microarray
D) expression
E) Sanger
F) footprint
G) vector
H) E. coli
I) cDNA
J) reverse trancriptase
K) fluorescent
L) polymerase chain reaction