Examlex
Which organelle is enclosed by a double membrane?
Reactions
Responses or behavior of an organism resulting from external or internal stimuli.
Major Neurotransmitter
A primary chemical messenger that transmits signals across neurons in the brain and body.
Norepinephrine
A neurotransmitter and hormone involved in the body's response to stress, increasing heart rate, blood pressure, and sugar levels in the brain.
Reinforcement
In psychology, any event that strengthens or increases the likelihood of a specific response or behavior by providing a consequence an individual finds rewarding.
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