酶活性部位上的基团可分为两类()和()。酶的活性部位不仅决定酶的(),同时也对酶的()起决定性作用。
参考答案:结合基团;催化基团;专一性;催化性质
选出句中的错误并改正。
( ) 1. I usually walks to school.
A B C
( ) 2. I'm going to playing the guitar.
( ) 3. I have much dresses.
( ) 4. I want singing a song.
( ) 5. Are you always do your homework?
空气动力性噪声