+Glucose is a simple [sugar](/wiki/Sugar), a fundamental [carbohydrate](/wiki/Carbohydrate) that serves as the primary source of [energy](/wiki/Energy) for most living organisms. This vital molecule circulates in bloodstreams, fueling cellular processes from thought to movement.
+## See also
+- [Photosynthesis](/wiki/Photosynthesis)
+- [Insulin](/wiki/Insulin)
+- [Metabolism](/wiki/Metabolism)
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