What technique separates DNA fragments by size?Multiple choice question.cloningcreating genetically modified organismselectrophoresispolymerase chain reaction

el electrophoresis separates fragments of DNA according to what property? Length in nucleotides Organism they originate from Protein they code for

What is used to chop DNA into fragments?Group of answer choicesRestriction EnzymesDNA scissorsVery tiny chef knivesScissor Enzymes

DNA fragments separate on an electrophoresis gel with the A) largest segments traveling furthest. B) smallest segments traveling furthest. C) most negatively charged pieces traveling quickest. D) most positively charged pieces moving backward

4. DNA sequences can be cut into smaller fragments by A. gel electrophoresis B. DNA ligase C. restriction endonucleases D. DNA polymerase

Which one is the key step in the cloning of a DNA molecule? Cleaning the DNA from RNA and proteins Ligation of the DNA molecule into a plasmid or cloning vector Digesting the proteins bound to the DNA molecule Extension of the 3'end of the DNA molecules Cleaving the DNA molecule in half