The DNA Molecule Contains Complementary Nitrogen Bases

question 76

Multiple Choice

The DNA molecule contains complementary nitrogen bases. There are four bases, but they pair as A-T and G-C with no cross pairing. How is this accomplished?

• A)A and G are polar leaning heavily to the positive. T and C are negative. A-G and T-C repel each other and cannot pair.
• B)A and G do not have their polar sites in the appropriate location to pair, and the same is true of T and C.
• C)A and T have two matching but opposite polar sites. G and C have 3 polar sites. The two poles will not attract and maintain attraction for three poles.
• D)There is more than one correct response.

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Definitions:

Law Of Similar

A principle in homeopathy that substances causing symptoms in healthy individuals can treat similar symptoms in sick individuals.

Homeopathy

An alternative therapy based on the theory that the cure for the disease lies in the disease itself; thus, treatment is with highly diluted amounts of substances that at a higher concentration would produce the same symptoms as the disease.

Naturopathy

A form of alternative medicine that emphasizes the body's intrinsic ability to heal and maintain itself through natural remedies.

Relaxing Techniques

Methods or activities designed to reduce stress and induce relaxation.