Biology, asked by himanshusingh50, 9 months ago

blue green algea that do not form heterocyst

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Answered by mewtow

1

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Heterocysts are now widely believed to be the site of nitrogen fixation in blue‐green algae. ... Some non‐heterocystous and unicellular algae, and vegetative cells of heterocystous algae fix nitrogen under microaerophilic conditions suggesting that absence of oxygen favours nitrogenase activity.

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