Late One Night,while Studying for Your Anatomy Class,you Open a Box

question 96

Multiple Choice

Late one night,while studying for your anatomy class,you open a box of saltine crackers to do a little snacking.After chewing on a starchy morsel for a few minutes,you begin to notice a sweet taste in your mouth.What accounts for this?

• A)"Sweet" taste receptors are slower to respond than others.
• B)Activity of bacteria in the mouth lowers the pH.
• C)Esophageal reflux
• D)Salivary amylase activity
• E)Phagocytosis by the pharyngeal tonsils produces by-products that taste sweet.

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Definitions:

Gravity

A fundamental force of nature that causes all things with mass or energy to be attracted to one another, keeping planets in orbit around stars and forming the structure of the universe.

One-Way Flow

A system or process in which resources or materials move in a single direction without recirculation or return to the starting point.

Limiting Factor

An environmental condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.

Terrestrial Ecosystems

are ecosystems found on land, characterized by diverse biotic communities interacting with the abiotic environment.