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Monterey Bay Aquarium Research Institute
Marine Botany

Chlorophyta (green algae)

Students at Hopkins Marine Station have done research projects on these green algae:  EnteromorphaUlva, Bryopsis, Codium fragile , Codium setchellii and Cladophora.

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Over 5,000 species of green algae are known, mostly unicells or simple filaments from fresh water, but there are diverse green algae in tropical marine habitats. Like land plants, the greens store starch (amylose or amylopectin) and have chlorophyll a and b as well as secondary pigments : carotenes, lutein, zeaxanthin. (Some Chlorophyta also have siphonoxanthin.) The chloroplast endoplasmic reticulum is absent in green algae, and t heir cell walls are often composed of cellulose, hydroxproline, glycosides, xylans, mannans or sometimes calcium carbonate.


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Last updated: Feb. 05, 2009