Answer:
D
Explanation:
Placed near window and placed in closet.
DNA samples are added into wells with the help of electric current.
<h3>How dna samples added to the wells?</h3>
DNA samples are added into wells at one end of a gel whereas an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode.
So we can conclude that DNA samples are added into wells with the help of electric current.
Learn more about dna here: brainly.com/question/16099437
Plankton they are the base for marine life
Have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.
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