10 Questions
Which pigment is unique to cyanophyta in addition to bacterial chlorophyll?
Phycocyanin
What is the significance of cyanophyta in the history of Earth's atmosphere?
They were the first organisms to release elemental oxygen into the atmosphere
What is the main characteristic of cyanophyta?
Existence as unicellular, colonial, or filamentous forms
What special cells are found in some cyanophyta members, representing sites of protein synthesis?
Heterocysts
What is the reserved food form in cyanophyta?
Glycogen
What is the primary function of heterocysts in blue-greens like Anabaena and Nostoc?
Converting nitrogen gas into ammonium
What purpose do akinetes serve in blue-green algae?
Serve as 'seeds' for the growth of juvenile filaments when favorable conditions return
What is the primary function of phycocyanin in blue-green algae?
Contributing to the blue-green color of cells
How do cyanobacteria primarily reproduce?
By vegetative and asexual methods such as fission, fragmentation, and hormogonia formation
What is the chemical composition of the inner layer of the cell wall in blue-green algae?
Peptidoglycans
Learn about Cyanophyta, Myxophyta, and their characteristics such as being photoautotrophic prokaryotes and their wide range of habitats. Discover the economic importance and beneficial uses of blue-green algae.
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