OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gel electrophoresis separates DNA according to size. Which is true regarding movement of the DNA?
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the longest pieces of DNA will move the least distance
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. the longest pieces of DNA will move the greatest distance
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. the shortest pieces of DNA will move the least distance
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the shortest pieces of DNA line up along the middle
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Explanation:
Detailed explanation-1: -Agarose gel analysis is the most commonly used method for analyzing DNA fragments between 0.1 and 25 kb, while pulse-field gel electrophoresis enables analysis of DNA fragments up to 10, 000 kb.
Detailed explanation-2: -Gel electrophoresis and DNA Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
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