Select the Pair of Substances in That an Acid Is

question 15

Multiple Choice

Select the pair of substances in that an acid is listed followed by its conjugate base.

• A) H⁺, HCl
• B) NH₃, NH₄+
• C) HPO₄^2-, H₂PO^4-
• D) HCO₃^-, CO₃^2-
• E) CH₃COOH, CH₃COOH₂⁺

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Definitions:

Sensory Adaptation

The process by which a sensory system becomes insensitive to a constant stimulus over time.

Sensory Receptors

Highly specialized cells in the sense organs that detect and respond to one type of sensory stimulus—light, sound, or odor, for example—and transduce (convert) the stimuli into neural impulses.

Stimulus

A stimulus is any event or situation that evokes a response from an organism.

Sensation

The process of detecting physical stimuli from the environment and converting them into neural signals that the brain can interpret.