You Treat a Sample of DNA with DNAse and Run

question 27

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 sample cannot be digested by DNAse.
• E)The sample likely represents actively transcribed genes.

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Definitions:

Reefer

A refrigeration trailer.

Trucking Industry

The sector of the economy focused on the transportation of goods and materials over land, primarily using large vehicles like trucks.

Refrigerated Trailer

A temperature-controlled trailer used in the transportation of perishable goods to maintain freshness by keeping them cold or frozen.

Separate Evaporator

A distinct unit in a refrigeration or air conditioning system where the refrigerant evaporates, absorbing heat and thus cooling the environment.