________ Are Small Molecules with a Five-Carbon Ring at One

question 45

Multiple Choice

________ are small molecules with a five-carbon ring at one end and are released by most body cells.

• A) Thyroid hormones
• B) Peptide hormones
• C) Eicosanoids
• D) Amino acid derivatives
• E) Catecholamines

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Definitions:

Surface Temperature

Surface temperature is the temperature near the surface of the Earth, which varies due to factors like sunlight, atmospheric conditions, and geographic location.

Ozone

A molecule composed of three oxygen atoms, found in the Earth's stratosphere, where it forms a layer that protects life by blocking most of the sun's harmful ultraviolet radiation.

Stratosphere

The second major layer of Earth's atmosphere, just above the troposphere and below the mesosphere, known for containing the ozone layer.

Antarctica

The Earth's southernmost continent, containing the geographic South Pole, known for its extensive ice sheets and cold climate.