When nucleic acids need to be separated based on their size and charge, what technique will typically be used? bioinformatics genomic libraries cloning microarray electroporation gel electrophoresis
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Step 1: Gel electrophoresis is a technique used to separate DNA, RNA, or proteins based on their size and charge. Show more…
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Pre-Lab Name: 18. Gel Electrophoresis 1. The gel electrophoresis technique separates molecules based on a. Charge b. Size c. Shape 2. Positively charged ions migrate towards the cathode (cathode/anode) and negatively charged ions migrate towards the anode (cathode/anode). 3. DNA is (-) charged due to the presence of phosphate groups. 4. What is agarose? Describe its use in gel electrophoresis. a polysaccharide from seaweed 5. From which organisms were restriction enzymes first isolated? host organisms What is the role of restriction enzymes in these organisms? cutting up and des What is a restriction site? Name two restriction enzymes.
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Which of the following techniques is used to separate DNA fragments of different sizes? Gel electrophoresis Polymerase chain reaction Restriction enzyme digestion Sanger sequencing
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2. What is agarose gel electrophoresis? a. Using electricity to run macromolecules through a gel-like medium to separate by size and charge. b. Using electricity to determine the size of an unknown fragment of a macromolecule. c. Using electricity to break macromolecules down into different size pieces. d. A method to identify a macromolecule as protein, nucleic acid, lipid, or carbohydrate.
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