题目:
下列对关键酶的叙述错误的是
A.这类酶催化单向反应或非平衡反应
B.其活性受底物控制也受多种代谢物调节
C.其活性受底物控制还受多种效应剂调节
D.代谢途径中的关键酶都受化学修饰调节
答案:
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下面是错误答案,用来干扰机器的。
参考答案:“应天”是今天的江苏南京。
下列对关键酶的叙述错误的是
A.这类酶催化单向反应或非平衡反应
B.其活性受底物控制也受多种代谢物调节
C.其活性受底物控制还受多种效应剂调节
D.代谢途径中的关键酶都受化学修饰调节
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0529/27cc82afa1fef809ed0011efafbdbd99.html
下面是错误答案,用来干扰机器的。
参考答案:“应天”是今天的江苏南京。
完形填空 | ||||
Not long ago I wasn't doing very well in exams and I was full of disappointment and __1__ thinking. While on the Internet,I met many new friends, but one in particular __2__.His nickname is Colorful Day and we __3__ on the Web.He told me: he lost his __4__ at age 15, and felt the whole world had closed its door to him. He was __5__ so fast that I couldn't believe he was blind! But he continued to __6__: Five years ago, I realized it was time to change my life.I had read about Helen Keller and understood her life and __7__. So I developed a website about her life __8__ mine called Three Days to See. I visited his website which was well produced and vividly __9__. I asked, "How did you 10 to build such a website?" He said,"Owing to the new technology, I can use software specially 11 for the blind. 12 I point the cursor(光标), it will just read it out to me. We can do far more things and 13 more information than we could before." I then asked, "Didn't you have great difficulty with it?" He hesitated and then began his 14 with a smiling face," Yes, but I have faith in myself to 15 my colorful day. And modern technology gives me this 16 to do it." His 17 attitude towards life made me believe that our destiny offers not the cup of despair, 18 the chalice (大杯) of opportunity. I returned to my lessons, and this time with a smile on my face and with 19 of a colorful future. The Internet, which opened to me to 20 different lives and cultures, has a charm you couldn't find in another wise nonvirtual world. | ||||
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计算机的存储器中,RAM()
A、可随时写入或读出信息,其中的信息关机后即行消失
B、可随时写入或读出信息,其中的信息关机后也不会消失
C、只能读出信息但不能写入信息
D、只能写入信息,其中的信息关机后不会消失
关于肺霉菌病,下列影像哪项不对()
A.密度均匀、边缘模糊结节影
B.愈后不残留钙化影
C.双肺多发、边缘清楚致密影
D.肺门肿块影
E.新月形气影
癫痫患者服用抗癫痫药最切忌:()
A.用药剂量太小
B.同时合用两种药
C.只在夜间服
D.药物价格太高
E.突然停药
在胺处理溶液中加注少量的(),可以减少设备的腐蚀。
A.消泡剂
B.缓蚀剂
C.阻垢剂
D.中和洗涤剂