Biology

Question

MULTIPLE CHOICE QUESTION

The DNA fragments will move toward the positive

side of the gel because they.

always move left to right

are negatively-charged

are positively-charged

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Answer

The DNA fragments will move toward the positive side of the gel because they are negatively-charged.

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In gel electrophoresis, DNA fragments are separated based on their size and charge. The gel is placed in an electric field, and the...