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User:Benjah-bmm27/degree/2/RDP

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Marine chemistry, RDP

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"Marine Chemistry"

Isorenieratene

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Anammox

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  • Also from the anoxic Black Sea – anammox:

Alkenones

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E. huxleyi (a haptophyte) uses alkenones as membrane lipids:


37:2 (15E,22E)-heptatriaconta-15,22-dien-2-one, C37H70O:

37:3 (8E,15E,22E)-heptatriaconta-8,15,22-trien-2-one, C37H68O:

Tetraether lipids

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  • Pelagic crenarchaea use tetraether lipids, which they adapt to different temperatures:
    • more rings help membranes stack at stay well-ordered at high temperatures
    • fewer rings help disorder membranes, so they don't freeze at low temperatures

News reports

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