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Which molecular technique is used to separate DNA fragments by size?
Which molecular technique is used to separate DNA fragments by size?
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Q1
Which molecular technique is used to separate DNA fragments by size?
Gel electrophoresis
PCR
Cloning
DNA sequencing
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Gel electrophoresis is used to separate DNA fragments based on their size, allowing for analysis and comparison.
Questions & Step-by-step Solutions
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Q: Which molecular technique is used to separate DNA fragments by size?
Solution:
Gel electrophoresis is used to separate DNA fragments based on their size, allowing for analysis and comparison.
Steps: 7
Show Steps
Step 1: Understand that DNA is made up of small pieces called fragments.
Step 2: Know that these fragments can be of different sizes.
Step 3: Learn that gel electrophoresis is a technique used to separate these DNA fragments.
Step 4: In gel electrophoresis, a gel is made, and the DNA fragments are placed in it.
Step 5: An electric current is applied to the gel, causing the DNA fragments to move.
Step 6: Smaller DNA fragments move faster and travel further in the gel than larger ones.
Step 7: After the process, you can see the separated DNA fragments, which helps in analysis and comparison.
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