A student uses restriction enzymes to cut a DNA molecule into fragments. The digested DNA is loaded into the wells of an agarose gel and the gel is subjected to an electric current. Upon completion of the run, the gel is stained.
(A) isolate and purify certain DNA fragments
(B) synthesize novel DNA molecules
(C) study the activity of restriction enzymes
(D) calculate the size of DNA fragments
(E) identify the source of DNA material
Answer: B
The procedures described can be used to do all of the following EXCEPT
(A) isolate and purify certain DNA fragments
(B) synthesize novel DNA molecules
(C) study the activity of restriction enzymes
(D) calculate the size of DNA fragments
(E) identify the source of DNA material
Answer: B