When DNA Is Extracted from a Sample for HLA Typing

question 12

True/False

When DNA is extracted from a sample for HLA typing, the purity of the sample is best determined by the ratio of the sample's absorbance at 260 and 280 nm.

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P.T. Barnum

A 19th-century American showman and businessman known for promoting celebrated hoaxes and founding the Barnum & Bailey Circus.

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