Examlex
Which of the following cations have the least positive charge?
Serotonin
Serotonin is a neurotransmitter that has a key role in stabilizing mood, feelings of well-being, and happiness, as well as regulating sleep, digestion, and other bodily functions.
Dopamine
A neurotransmitter involved in many functions, including mood, sleep, learning, motivation, and reward.
Myelin Sheath
A fatty covering that surrounds and insulates nerve fibers, speeding up the transmission of nerve impulses.
Neural Impulses
Electrical impulses moving through neurons that convey data across the nervous system.
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