【单选题】下列关于酶活性中心的叙述哪一个是不正确的?
B.
对简单酶来说,活性中心一般有少数介个氨基酸组成
【单选题】强化巩固1.(单选题)2015年5月10日上午在北京举行了首届职业教育活动周全国启动仪式,以后于每年5月第二周举行,首届职教活动周的主题是“支撑中国制造,成就出彩人生”。国家专门设立职教活动周体现了( )。
A.
国家高度重视职业教育的发展,大力发展职业教育
【单选题】He has three ______ under the bed. [ ]
【简答题】List three pairs of contrast words.
【简答题】List three pairs of words that sound the same but are spelled differently and have different meanings.(eg:way-weigh) List three pairs of words that are spelled the same,but are pronounced differently ...
【简答题】My leather shoes cost me ________ the last pairs I bought. A: three times as B; three time as C; three times as much as
【单选题】下列关于酶活性中心的叙述哪一个是不正确的? ( )
B.
对简单酶类来说,活性中心一般有少数几个氨基酸组成