Respond to the Following Items in Reference to the Four

question 43

Multiple Choice

Respond to the following items in reference to the four cell types listed below.
-cells that pick up environmental signals

• A)Sensory neurons
• B)Interneurons
• C)Motor neurons
• D)Schwann cells

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Definitions:

Hydrogen Sulfide

A colorless, poisonous, flammable gas with the characteristic foul odor of rotten eggs; used in the manufacture of chemicals, in metallurgy, and as a fungicide and insecticide.

Lewis Structure

A graphical representation of molecules showing how valence electrons are distributed among atoms, and where dots and lines represent electrons and bonds, respectively.

Water

A molecule composed of two hydrogen atoms bonded to one oxygen atom, essential for all forms of life.

Helium

The second lightest and second most abundant element in the universe, a noble gas that remains liquid at the lowest temperatures.