rac
1. (Science: molecular biology) small gTP-binding protein involved in regulating actin cytoskeleton the activated form of rac seems to induce membrane ruffling (whereas rho acts on stress fibres). Rac may be activated by specific gAPs such as bcr and n chimaerin.
2. (Science: prefix) Prefix for racaemic.
rac 1. (Science: molecular biology) small gTP-binding protein involved in regulating actin cytoskeleton the activated form of rac seems to induce membrane ruffling (whereas rho acts on stress fibres). Rac may be activated by specific gAPs such as bcr and n chimaerin. 2. (Science: prefix) Prefix for racaemic...
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