What would happen to DNA if the gel tray within an electrophoresis chamber were placed incorrectly,...
What would happen to DNA if the gel tray within an electrophoresis chamber were placed incorrectly, with the wells closest to the positive electrode?
Choose one:
A. DNA would remain in the gel. B. DNA bands would appear smeared. C. DNA would be pulled through the gel in the wrong direction. D. DNA would not fluoresce under UV light.
Homework Answers
What would happen to DNA if the gel tray within an electrophoresis chamber were placed incorrectly, with the wells closest to the positive electrode?
ans: DNA would be pulled through the gel in the wrong direction.
(because DNA is negatively charge molecule so that it travel to positive electrode in electric field so that if we place wells near to positive electrode then DNA will move in wrong direction. i.e. towards the positive electrode and finally goes to tank buffer.)
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What would happen to DNA if the gel tray within an
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Biologists use gel electrophoresis to sort DNA segments by size. DNA segments are placed at one end of a gel. DNA is negatively charged (with a charge of two electrons per base pair). When you “run the gel” you are generating an electric field by connecting anodes and cathodes at the ends of the gel. This causes the negatively charged DNA segments to move towards the positive electrode. After running the gel, smaller DNA segments have moved farther from the...
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WORKSHEET: EXERCISE 10 NAME: DATE: SECTION Twenty microliters (20 ㎕) of each sample was loaded into your gel. Convert 2OuL to milliliters (mL). I. 2. Describe the charge on the DNA molecule and specify which component of the molecule is responsible for contributing to that charge. Why do some DNA samples travel further in the gel than others? 3. 4. Once electrophoresed, how are the DNA bands visualized?...
Question 4-12 points Biologists use gel electrophoresis to sont DNA segments by size. DNA segments are...
Question 4-12 points Biologists use gel electrophoresis to sont DNA segments by size. DNA segments are placed at one end of a gel. DNA is negatively chargod (with a charge of two electrons per base pair). When you "run the gel" you are generating an electric field by connecting anodes and cathodes at the ends of the gel This causes the negatively charged DNA segments to move towards the positive electrode. After nunning the gel, smaller DNA segments have moved...
is
a nucleus the sole source of DNA in a eukaryotic cell?
WORKSHEET: EXERCISE 10 NAME: DATE: SECTION Twenty microliters (20 ㎕) of each sample was loaded into your gel. Convert 2OuL to milliliters (mL). I. 2. Describe the charge on the DNA molecule and specify which component of the molecule is responsible for contributing to that charge. Why do some DNA samples travel further in the gel than others? 3. 4. Once electrophoresed, how are the DNA bands visualized?...
Question 4-12 points Biologists use gel electrophoresis to sont DNA segments by size. DNA segments are placed at one end of a gel. DNA is negatively chargod (with a charge of two electrons per base pair). When you "run the gel" you are generating an electric field by connecting anodes and cathodes at the ends of the gel This causes the negatively charged DNA segments to move towards the positive electrode. After nunning the gel, smaller DNA segments have moved...
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