You Have Isolated DNA from Actively Replicating Cells

question 13

Multiple Choice

You have isolated DNA from actively replicating cells.Where would you expect to find this DNA on a gel?

• A)DNA would be highly supercoiled and would be found in the band seen in the positive pole (bottom)of Lane 1.
• B)DNA would be predominantly relaxed and would be found in the band seen in the positive pole (bottom)of Lane 1.
• C)DNA would be highly supercoiled and would be found in the band seen in the negative pole (top)of Lane 1.
• D)DNA would be predominantly relaxed and would be found in the band seen in the negative pole (top)of Lane 1.
• E)DNA would be both relaxed and supercoiled,so it would appear in a pattern similar to Lane 2.

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Definitions:

Heads

In the context of a coin toss, it represents one of the two possible outcomes, often used to describe a 50/50 chance event.

Unbiased Coin

A term referring to a coin that has an equal likelihood of landing on heads or tails when flipped.

Tosses

In a statistical context, refers to the act of flipping a coin to produce random outcomes of heads or tails.

Binomial Distribution

A probability distribution that summarizes the likelihood of a variable to take one of two independent values under a given set of parameters.