Green alga, light micrograph

Green alga, light micrograph

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Credit: SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY

Caption: Green alga. Interference contrast light micrograph of the alga Cosmarium sp., one of a number of unicellular organisms belonging to the group of desmids. The cell of a desmid is in two halves, separated by a narrow waist. At cell division the cell splits in two at the waist, with each half generating a replica of itself to restore the original shape. The colour of the cell is due to the presence of green chlorophyll pigments contained within the chloroplasts. These are employed in a chemical process called photosynthesis to convert sunlight, water and carbon dioxide into starch.

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Keywords: 1, algae, algal, biological, biology, botanical, botany, cell, chloroplast, cosmarium sp., desmid, desmidiaceae, desmidiales, desmids, flora, green, green alga, interference contrast, light micrograph, light microscope, microbiological, microbiology, nature, one, photosynthesis, photosynthetic, pigment, placoderm, plant, semicell, semicells, single, single-celled, unicellular

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