摘要：下列分子式属于组成生物体氨基酸的是 ( ) H COOH ┃ ┃ A . CH3 ━C━COOH B . CH2━C━COOH ┃ ┃ H NH2 H H COOH ┃ ┃ C. NH2━C━C━COOH D . NH2 ┃ ┃ NH2 H H

网址：http://m.1010jiajiao.com/timu3_id_1821000[举报]