A CDNA Library

Multiple Choice

A cDNA library

A) is generated by copying genomic DNA with the polymerase chain reaction and cloning the resulting complementary DNA (cDNA) .
B) is generated by copying messenger RNA (mRNA) with the enzyme reverse transcriptase and cloning the resulting complementary DNA (cDNA) .
C) corresponds to the protein complement of a cell.
D) doesn't contain introns.
E) doesn't contain introns because it is generated by copying messenger RNA (mRNA) with the enzyme reverse transcriptase and cloning the resulting complementary DNA (cDNA) .