Multiple ChoiceIn agarose gel electrophoresis, how does DNA move through the gel when an electric field is applied?13views
Multiple ChoiceIn agarose gel electrophoresis, what can a DNA ladder (molecular weight marker) help determine about DNA fragments in a sample?14views
Multiple ChoiceIn agarose gel electrophoresis, what can a DNA ladder (molecular weight marker) help determine about the DNA fragments in a sample?10views
Multiple ChoiceIn forensic DNA analysis, which part of a human hair is most likely to contain sufficient nuclear DNA for STR profiling?7views
Multiple ChoiceIn methods for analyzing DNA (e.g., agarose gel electrophoresis), what is the primary purpose of a DNA size standard (DNA ladder)?15views
Multiple ChoiceWhich method rapidly amplifies (copies) a specific DNA sequence in vitro without using bacteria or cloning in cells?5views