All of the Following Types of Molecules Function as Chemical

question 5

Multiple Choice

All of the following types of molecules function as chemical messengers in the body except

• A)polypeptide hormones such as insulin.
• B)steroid hormones such as progesterone.
• C)neurons,including axons and dendrons.
• D)amino acid derivatives classified as catecholamines.
• E)neurotransmitters such as acetylcholine.

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Definitions:

Atoms

Atoms are the basic units of matter, consisting of a nucleus surrounded by electrons. They are the fundamental building blocks of chemical elements.

Cleavage

The tendency of a mineral to break along flat, even surfaces as a property of its crystalline structure.

Periodic Table

Table that organizes all the chemical elements according to the element’s atomic number and electron orbitals.

Cu

The chemical symbol for copper, a ductile metal with very high thermal and electrical conductivity.