You Treat a Sample of DNA with DNase and Run

question 33

Multiple Choice

You treat a sample of DNA with DNase and run the digested fragments out on an electrophoretic gel.You found mostly long fragments.What can you conclude about this sample of DNA?

• A)The sample contains mostly euchromatin.
• B)The sample contains relatively few histone proteins.
• C)The sample contains mostly heterochromatin.
• D)The DNA is from yeast cells.
• E)The sample likely represents actively transcribed genes.

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A United States-based interest group focusing on issues affecting those over the age of fifty.