11. The biological activity has also attracted research into the laboratory synthesis of thapsigargin. 12. Liver and kidney disease can affect the biological activity of analgesics. 13. Hydroxylation also has a great effect on the biological activity of the gibberellin. 14. Autacoids are enzymatically derived chemical mediators with distinct biological activities and molecular structures. 15. Sulfation in these different positions confers specific biological activities to chondroitin GAG chains. 16. Pterins and flavins are classes of substituted pteridines that have important biological activity . 17. Mycologist Paul Stamets has performed numerous investigations of the biological activities of Agarikon. 18. Studies found that PAF could not be modified without losing its biological activity . 19. "We don't know whether each and every protein will retain its biological activity ," 20. Spices have a high amount of biological activity and enhance life.
