A:工具:DNA连接酶和限制酶;原理:细胞识别
B:工具:DNA连接酶和解旋酶;原理:细胞膜的流动性
C:工具:DNA连接酶和限制酶;原理:基因重组
D:工具:胰蛋白酶和纤维素酶;原理:细胞全能性
下列中,( )属于机器人的“感官”。
— ______ do you have the drawing lessons? The pictures you draw are so beautiful. — Once a week. I began having drawing lessons at the age of five.