皮皮学，免费搜题
登录
搜题
【单选题】
下列关于胰岛素的叙述正确的是A.
胰岛素是降低合成代谢的激素
B.
胰岛素原从胰岛B细胞分泌出来后切下信息肽变为胰岛素
C.
胰岛素是由α、β两条肽链通过一个二硫键相连而构成的蛋白质
D.
胰岛素原有3%胰岛素活性，与胰岛素有免疫交叉反应
E.
胰岛素与其受体结合的位点是β亚基
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】Going shopping seems easy, but actually it takes a lot of learning, especially in America. In fact, many Americans who are not so well-off often shop at “sales” or at special stores that sell things a...
【简答题】晶体管工作在放大区时,对三个极的静态电流描述正确的是哪些?A. B. C. D.
【简答题】Going shopping seems easy, but actually it takes a lot of learning, especially in American. In the fact, many Americans who are not so well-off often shop at “sales” or at special stores that sell thi...
【简答题】One of the biggest disadvantages of home employment is that,unlike working in an office, all of the distractions can make it difficult to concentrate on the work at hand. When familymembers are at hom...
【多选题】You may find( )in an apartment.
A.
a living room
B.
a dining room, a kitchen, a bathroom, a bedroom
C.
a balcony, a yard or a garage
D.
a car
【简答题】When you have completed your college education, you will look for a job suited to your training, interests and ambition. In most cases, you will visit a likely employer's office and complete an applic...
【简答题】Going shopping seems easy, but actually it takes a lot of learning, especially in America . In fact, many Americans who are not so well-off often shop at “sales” or at special stores that sell things ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
