DNA and RNA Are Similar in That Both

question 30

Multiple Choice

DNA and RNA are similar in that both

• A)contain the same sugar.
• B)are double-stranded molecules.
• C)contain nitrogenous bases.
• D)are in the form of a double-helix.
• E)are very long molecules.

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Definitions:

Homeostasis

The process by which a living organism or cell maintains stable internal conditions despite changes in its external environment.

Set-Point Theory

The hypothesis that the body regulates its weight and energy levels around a specific baseline, determined by genetics and environmental factors.

Fat Cells

Also known as adipocytes, these cells store energy in the form of fat and play an important role in energy balance.

Drive Theory

A theory in psychology that posits that behavior is motivated by drives that arise from biological needs that demand satisfaction.