题目

Ever since I was born, the love for wildlife and wild places has been in my blood. I live in middle of Australia Zoo on the Sunshine Coast in Queensland, Australia, which means that every day brings me a new and different adventure. I have an incredible backyard and I am able to share it with visitors from around the world. We are one big family here at the zoo, trying to inspire others to get involved and make a difference to our world. As a family, our heart has always been in wildlife conservation and because of this we have been to the far corners of the earth , to spread the message11．下列哪项不是蛋白质在人体内的生理功能（　　）A．细胞的组成物质B．酶的主要成分C．参与细胞间的识别D．能量的主要来源