| 1. | Unusually, diatoms have a cell wall composed of biogenic silica.
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| 2. | Biogenic generation of methane takes place through two chemically distinguishable pathways.
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| 3. | The only examples we find on Earth are all biogenic.
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| 4. | There is some evidence for a biogenic occurrence of dolomite.
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| 5. | There is a distinction between endogenous and exogenous biogenic amines.
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| 6. | MAO ) breaks down biogenic amines and prevents excessive resorption.
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| 7. | Its biogenic sediments contain a late-Devensian & Holocene pollen record.
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| 8. | Biogenic silica occurs in the structure of diatoms, radiolaria and siliceous sponges.
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| 9. | However, food containing high amounts of biogenic amines may have toxicological effects.
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| 10. | Biogenic amines have been implicated as a potential cause of red wine headaches.
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