How does a genomic library differ from a cDNA library?
A) A genomic library contains only noncoding sequences, whereas a cDNA library contains only coding sequences.
B) A genomic library varies, dependent on the cell type used to make it, whereas the content of a cDNA library does not.
C) A genomic library can be made using a restriction enzyme and DNA ligase only, whereas a cDNA library requires both of these as well as reverse transcriptase and DNA polymerase.
D) The genomic library can be replicated but not transcribed.
E) The genomic library contains only the genes that can be expressed in the cell.
Answer: C