Imagine That You've Run a DNA Footprinting Analysis

question 6

Multiple Choice

Imagine that you've run a DNA footprinting analysis.Many closely spaced bands (DNA fragments) are seen in the lane of the gel prepared from DNA without protein.In the adjacent lane prepared from DNA mixed with protein,a subset of the bands is seen,but there is a large region where no bands are observed.This empty region represents

• A)the region where protein did not bind to DNA.
• B)the region where protein bound to DNA.
• C)a region where there was no DNA for protein binding.
• D)a region where protein was digested by the enzyme.