Examlex
Which type of molecular orbital has maximum electron density above and below the internuclear axis but zero density in a plane perpendicular to the internuclear axis?
Circadian Rhythm
The intrinsic system that manages the sleep-wake pattern, cycling approximately every 24 hours.
Temperature
A physical quantity that expresses hot and cold, measured with a thermometer and scientifically defined through thermodynamic principles.
Light
A specific segment of the electromagnetic spectrum that can be seen by the human eye.
Wake-Sleep Cycles
The recurring patterns of sleep and wakefulness, reflecting the natural internal process that regulates the body's sleep need, typically aligned with the 24-hour day-night cycle.
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