| 11. | Phospholipase A2 cleaves the SN-2 acyl chain, releasing arachidonic acid.
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| 12. | It is synthesized from arachidonic acid in a reaction catalyzed by a cyclooxygenase enzyme.
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| 13. | This role cannot be met by any ?-3 fatty acids or by arachidonic acid.
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| 14. | The arachidonic acid cascade proceeds somewhat differently in the brain.
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| 15. | The enzyme possesses two catalytic activities as illustrated by its metabolism of arachidonic acid.
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| 16. | The cysteinyl leukotrienes, potent biological compounds derived from arachidonic acid.
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| 17. | The toxin-induced contraction was related to generation of thromboxane A 2 from arachidonic acid.
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| 18. | It has the ability to synthesize the polyunsaturated fatty acids eicosapentaenoic acid and arachidonic acid.
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| 19. | PGI 2 is derived from the ?-6 arachidonic acid.
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| 20. | This is not consistent with the results of the isotope experiments of arachidonic acid oxygenation.
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