Match the technique to the statement. Group of answer choices

1.Protein bound to DNA causes the DNA fragment to run more slowly in the gel than it would if unbound.

2. This technique uses an antibody against a transcription factor crosslinked to chromatin to identify the DNA of interest.

3. A nuclease is used to digest ssDNA from the ends of a labeled DNA probe hybridized to an mRNA to identify the transcription start sight

4.This technique is more exact than a mobility shift assay used for studying DNA-binding proteins like transcription factors.

5. To determine a transcript's start site, an internal primer can be used with reverse transcriptase extending the primer toward the 5' end.

A. Footprinting

B. ChiP

C. S1 nuclease mapping

D. Primer Entension

E. Mobility shift