Examlex
C3 convertase of the classical pathway is _____,whereas C3 convertase of the alternative pathway is _____.
Seasonal Affective Disorder
A type of depression that occurs at a certain time of the year, usually in winter, when natural sunlight is limited.
Melatonin
A hormone produced by the pineal gland that regulates sleep-wake cycles, commonly used as a supplement to treat sleep disorders.
Immune System
The body’s network of activities and cells that identify and destroy antigens and cancer cells.
Unipolar Depression
A form of depression where the individual experiences persistent low mood and a lack of interest or pleasure in activities, without the manic or hypomanic episodes found in bipolar disorder.
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