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allochka39001 [22]
3 years ago
14

How does gel electrophoresis work?

Biology
1 answer:
Eva8 [605]3 years ago
3 0
Here is the simple answer:
It basically rips the DNA into pieces and those pieces are placed into the gel.  The gel has holes throughout the contaioner and allowing the DNA pieces to wiggle through.  These are pulled by an electric potential (or voltage) that attracts the DNA pieces.  The larger the piece of DNA the shorter distance it will travel through the gel.
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How can fertilizers used on lawns and fields affect a lake?
iVinArrow [24]
Fertilizers can make their way into water sources when it rains and when the fertilizer makes it into a lake, the harsh chemicals from the fertilizer will pollute the water.
3 0
3 years ago
Nitrogen-fixing cyanobacteria are critically important ecologically.<br><br><br> True or false?
LenaWriter [7]

Answer:

See Explanation

Explanation:

Yes, this is true because some bacteria in our environment tends to either fend off of or kill other types of bacteria. In this case, this bacteria is helpful because it turns gaseous nitrogen into a form that can be absorbed and used by plants in our environment.

5 0
2 years ago
7 + 7 + (–1) = <br><br> A. 13 <br> B. 10 <br> C. 16 <br> D. 7
Burka [1]
Step 1. Simplify brackets

7+7-1

Step 2. Simplify

13

Done! :) Your answer is A. 13 Hope this helps!
4 0
3 years ago
Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes ________.
trapecia [35]

Answer:

Secretes a protective covering against UV damage

Explanation:

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4 0
3 years ago
What is the answer help !!!!!!
Phoenix [80]

you are correct, it would be D. i hope this helps you out!

3 0
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