Cyanobacteria Electron micrograph of a thin section of the cyanobacterium Synechococcus lividus. A cell is about 5 um in diameter
Cyanobacteria Electron micrograph of a thin section of the cyanobacterium Synechococcus lividus. A cell is about 5 um in diameter
Cyanobacteria Heterocyst eterocysts in the cyanobacterium Anabaena sp Heterocysts are the sole site of nitrogen fixation in heterocystous cyanobacteria
Heterocysts in the cyanobacterium Anabaena sp. Heterocysts are the sole site of nitrogen fixation in heterocystous cyanobacteria. Cyanobacteria
Structural differentiation in filamentous cyanobacteria. (a)Initial stageof hormogonium formation in Oscillatoria. Notice the empty spaces wherethe hormogonium is separating from the filament. (b hormogonium of a smaller Oscillatoria speicies. Notice that the cells at both ends are rounded. Nomarski 6 Interference contrast microscopy (c)Akinete(restingspore)of Anabacna sp by phase contrast
Structural differentiation in filamentous cyanobacteria.(a)Initial stageof hormogonium formation in Oscillatoria.Notice the empty spaces wherethe hormogonium is separating from the filament.(b)hormogonium of a smaller Oscillatoria speicies.Notice that the cells at both ends are rounded.Nomarski interference contrast microscopy. (c)Akinete(restingspore)of Anabacna sp.by phase contrast
Electron micrograph of the prochlorophyte Prochloron. Note the extensive intracytopl asmic membranes (thylakoids). Cells are about 10 um in di amet er
Phase and election micrographs of the filamentous prochlorophyte Prochlorothrix. a Phase contrast. (b Election micrograph of thin section showing arrangement of membranes. the diameter of cells is about 1-2um
Phase and election micrographs of the filamentous prochlorophyte Prochlorothrix.(a)Phase contrast.(b)Election micrograph of thin section showing arrangement of membranes.The diameter of cells is about 1-2um