Asegment of dna is 400 base pairs long and contains 2 restriction sites for the restriction enzyme hindiii. this dna is cut with hindiii and then run on a gel. how many bands would you expect to see after completing dna gel electrophoresis and staining the gel?

I would expect to see 3 bands after completing DNA gel electriphoresis and staining the gel.

Explanation:

The restriction enzyme Hind3 has two Recognization sites in the 400 base pair long DNA molecule.

     As a result the restriction enzyme Hind3 with generate 2 cuts in the target 400 base pair long DNA molecule.

     The number of 2 cuts in the target DNA molecule will generate 3 DNA fragments.From this point of view it can be stated that 3 bands will form after completing DNA electrophoresis and staining the gel.

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