Examlex
What portion of an enzyme is in direct contact with the substrate?
Circadian Rhythm
The internal biological clock that regulates the sleep-wake cycle and repeats roughly every 24 hours.
Biological Cycle
A natural, recurring physiological or behavior change in living organisms that is influenced by environmental factors or internal mechanisms.
Sleep Pattern
The natural or habitual timing, quality, and quantity of sleep in an individual or across populations.
Myoclonic Jerks
Involuntary, quick muscle spasms often occurring as people are falling asleep.
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