Filaments of Spyrogyra alga

Filaments of Spyrogyra alga

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Caption: Light micrograph of filaments of Spyrogyra, a green algae which form slimy threads called "water- silk" or "mermaid's tresses" in stagnant or slow moving water, becoming abundant in spring or autumn. The filaments are made up of individual long cells which secrete a mucilaginous substance that binds adjacent cells. Each cell contains one or more chloroplasts, which are arranged in spiral bands. The chloroplasts house the chlorophyll pigments & are sites of photosynthesis within each cell. A single nucleus per cell is suspended by protoplasmic threads in the middle of a large central vacuole.

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Keywords: alga, algae, algal, botany, chlorophyll, filamentous algae, green, in nature, light micrograph, lm, nature, plant, spiral form, spirogyra sp.

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