Dental Admissions Test (DAT) Practice Test

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Prepare for the Dental Admissions Test with our comprehensive quiz! Enhance your knowledge with multiple choice questions designed to simulate the actual DAT experience, complete with hints and detailed explanations. Ace your dental school application!

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What is the process called when DNA fragments are separated based on their sizes?

  1. Electrophoresis

  2. Chromatography

  3. Gel Filtration

  4. Plasmid Extraction

The correct answer is: Electrophoresis

Electrophoresis is the correct answer because it is the process of separating DNA fragments based on their sizes through the use of an electric field. Chromatography and gel filtration are incorrect because they are methods used to separate molecules based on their physical and chemical properties, not specifically based on size. Plasmid extraction is also incorrect because it is a process to isolate and purify specific DNA sequences, not to separate fragments based on size.

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