Examlex
The boiling point for ethers should be much higher than alkanes of similar formula mass. This is due to the fact that the C - O bond is much more polar that the C - C bond.
Circadian Rhythm
The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.
Biological Clock
An internal mechanism that regulates physiological and behavioral functions on a cyclical basis, such as sleep and wakefulness.
Melatonin
A hormone produced by the pineal gland that regulates sleep and wakefulness cycles.
Adrenalin
Also known as epinephrine, a hormone and medication which increases heart rate, muscle strength, blood pressure, and sugar metabolism, often in response to stress.
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