proteinic substance

• 蛋白质

proteinic substance的用法和样例：

例句

1. Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.
   许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作。
2. As the main protein in red blood cells of human, hemoglobin is the basic substance that transports oxygen in blood.
   摘要血红蛋白为人体红细胞中的一种主要蛋白质，是血液中运输氧气的主要物质。