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Which term is correct for small pieces of cut DNA?

Answer and explanation

Correct answer: DNA fragments

The governing concept is the result of restriction digestion. When a restriction enzyme cleaves a long DNA molecule at specific recognition sites, the original molecule is divided into shorter pieces. Each resulting piece is called a DNA fragment. The fragments may differ in nucleotide sequence and length, and their lengths can later be estimated by separating them through gel electrophoresis. Therefore option A is the correct scientific term. Green particles, fat droplets, and water molecules are different kinds of biological or chemical entities and do not describe pieces produced by cutting DNA. The word fragment refers to a portion of a larger DNA molecule, not to a new non-DNA substance.

Related tags

Dna FragmentsRestriction DigestionGel ElectrophoresisRestriction EnzymesPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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