spirogyra cell structures of algae

algae anatomy binary biology cell cells chloroplast chloroplasts cytoplasm cytoplasmic diagram division eukaryotes fission food illustration infographic labeling medical membrane microbe microbial microbiology microorganism mucilaginous nucleus organism prokaryotes prokaryotic protist protozoa pyrenoid replication reservoir science sheath single spirogyra stigma strand structure structures unicellular vacuole vector wall water zoology