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When a few intracellular mediator molecules activate several enzymes, and each of these activated enzymes activate still other enzymes, the hormone has initiated ________.
Association Areas
Areas of the cerebral cortex that house memories and are involved in thought, perception, and language.
Illicit Drug Use
The use of substances that are illegal or not prescribed, which can have various health, legal, and social implications.
Depressants
Substances that reduce neural activity and slow down the functions of the central nervous system.
Stimulants
Drugs that increase activity in the brain and nervous system, leading to increased alertness, attention, and energy.
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