Ultraviolet micrograph of Spirogyra alga

Ultraviolet micrograph of Spirogyra alga

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Caption: Ultraviolet fluorescence light micrograph of the freshwater green algae Spirogyra sp. , stained to show the presence of chlorophyll pigments. These pigments, contained within spirally wound chloroplasts, glow red under ultraviolet light. Spirogyra is either an unicellular organism or, as here, filamentous.

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Keywords: alga, algae, algal, botany, chlorophyll, fluorescence micrograph, green, nature, plant, spiral, spirogyra sp., ultraviolet

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