Molecules in a Gas

question 9

Multiple Choice

Molecules in a gas

• A)have little influence on one another.
• B)have little influence on one another except during their frequent but brief collisions.
• C)are close together and exert forces on one another that are comparable to the forces that bind atoms into molecules.
• D)form temporary short-range bonds that continually break and re-form due to the thermal kinetic energy of the molecules.
• E)are always arranged in a crystalline structure.

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Definitions:

All-or-none Principle

A principle that states that neurons fire at their maximum intensity or not at all, depending on whether the stimulus reaches a certain threshold.

Gamma-aminobutyric Acid

An inhibitory neurotransmitter in the central nervous system that plays a key role in regulating neuronal excitability.

Anxious

Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.

Genotype

One’s genetic makeup, based on the sequencing of the nucleotides we term A, C, G, and T.