Sarah Runs Track for Her High School,and Generally Runs the Longer

question 38

Multiple Choice

Sarah runs track for her high school,and generally runs the longer distances.She notices that even though she experiences pain as the race continues,she can count on eventually experiencing a brief break from the pain,called the "runner's high." This is caused by the release of __________,neurotransmitters that inhibit pain and stimulate the immediate pleasure of rewards.

• A) gamma-aminobutyric acid (GABA)
• B) dopamine
• C) endorphins
• D) ethylene diamine tetra-acetic acid (EDTA)

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Definitions:

Cut Stem

Involves slicing or trimming the stem of a plant, often as a method of propagation or to remove dead or diseased portions.

Flowering Promoter

A substance or environmental cue that stimulates a plant to transition from vegetative growth to flowering.

Flowering Inhibitor

A substance or hormone that suppresses or delays the flowering process in plants.

Auxin

A class of plant hormones that play a key role in coordinating growth and behavioral processes in the plant's life cycle.