The Two Strands of a DNA Double Helix Are Said

question 31

Multiple Choice

The two strands of a DNA double helix are said to be antiparallel. This means that ____.

• A) the 5' end of one strand is directly paired with the 5' end of the other strand
• B) since the double helix twists, it is not perfectly parallel
• C) one strand has a negative charge, and the other strand has a positive charge
• D) the 5' end of one strand is directly paired with the 3' end of the other strand
• E) both strands have a negative charge

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Definitions:

Explanatory Variable

A variable in a statistical model that is believed to cause or influence changes in a response variable.

Test Statistic

A test statistic is a calculated value from sample data used in hypothesis testing to determine whether to reject the null hypothesis.

Tablet Computer

A portable computing device featuring a touch-sensitive screen as its primary input device.

Sample Proportion

The proportion of individuals in a sample that have a particular characteristic, used as an estimate of the proportion in the entire population.