皮皮学，免费搜题
登录
搜题
【单选题】
下列选项,关于受体的描述错误的是A.
是存在于细胞膜或细胞内的一种大分子物质
B.
与配体结合后产生特定生理效应
C.
是指内源性、激素、自体活性物质或药物
D.
具特异性、高度亲和力、饱和性、可逆性
E.
选择性地同相应的、激素、自体活性物质或药物等相结合
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】试述 盐酸氮芥的结构改造
【判断题】Upon the mention of trade terms, both the seller and the buyer immediately know who should do what.
A.
正确
B.
错误
【简答题】作为一个生命系统，细胞内部的各种结构及其功能既相对独立又彼此联系。实验中用 35 S标记一定量的氨基酸，来培养某哺乳动物的乳腺细胞，测得内质网、核糖体、高尔基体上放射性强度的变化曲线如图甲所示，以及在此过程中高尔基体、细胞膜、内质网膜面积的变化曲线如图乙所示。请结合图回答下列问题。 (1)请判断甲图中的a、b、c曲线所指代的细胞器依次分别是：_______。高尔基体在此过程中所起的作用是：____...
【简答题】By fixing upon the government responsibility of providing work and security for the citizens, it enlarged the role of the state . The above-mention measure was part of Roosevelt ’ s _____ ______ progr...
【单选题】Once upon a time there was a crook who only thought about how to get money. What he hated most was when people were polite to each other, saying things like “please”, “thank you”, and “don’t mention i...
A.
his machine
B.
money
C.
language
D.
politeness
【判断题】Europeans also believe that Feb. 14th is the day when birds begin to choose their mates. Chaucer, Shakespeare, and numerous other poets mention the tradition in their works. In accordance with the tra...
A.
正确
B.
错误
【简答题】Fill in the gaps with words or phrases given in the box. Change the form where necessary: come upon; rhythm ; volume; reside; sacrifice ; something of a; legend; ambition; sob; stay on; make (no) ment...
【简答题】No aspect of life in the Twenties has been more commented upon and sensationally romanticized than the so-called Revolt of the Younger Generation. The slightest mention of the decade brings nostalgic ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
