Imagine That You Have Isolated a Mysterious Liquid from a Sample

question 22

Multiple Choice

Imagine that you have isolated a mysterious liquid from a sample of food. You add the liquid to a beaker of water and shake vigorously. After a few minutes, the water and the other liquid separate into two layers. To which class of biological molecules does the unknown liquid most likely belong?

• A)carbohydrates
• B)lipids
• C)proteins
• D)enzymes
• E)nucleic acids

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Definitions:

Homeo-

A prefix in biology and medicine indicating similarity, sameness, or constancy.

Homeostasis

The ability of a living organism to maintain stable internal conditions despite changes in the external environment.

Constant

A value that remains unchanged or is fixed in a given context, often used in mathematical and scientific equations.

Intrauterine

Pertaining to or occurring within the uterus.