Examlex
Which of the following does NOT involve any delocalized π bonds?
Stress Hormones
Chemicals released in the body in response to stress, such as cortisol and adrenaline, which prepare the body to confront or flee from perceived threats.
Serotonin
A neurotransmitter that plays a key role in stabilizing mood, feelings of well-being, and happiness.
Glucose
The form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hunger.
Epinephrine
A hormone and neurotransmitter also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; plays a key role in the 'fight or flight' response.
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