皮皮学，免费搜题
登录
搜题
【单选题】
蛋白质的 pI 是A.
蛋白质带正电荷时溶液的 pH 值
B.
蛋白质带负电荷时溶液的 pH 值
C.
蛋白质分子不带电荷时溶液的 pH 值
D.
蛋白质净电荷为零时溶液的 pH 值
E.
pH=7
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】如何新建序列?
【单选题】If city noise _______ from increasing, people _______ shout to be heard even at the dinner table 20 years from now.
A.
are not kept; will have to
B.
are not kept; have to
C.
do not kept; will have to
D.
do not kept; have to
【单选题】Which word in the following is the best to summarize Latin people shout a lot?
A.
silent.
B.
noisy.
C.
lively.
D.
active.
【简答题】One day people heard a shout for help. They h (1) to the river, and saw a man in the water. A young fisherman jumped i (2) the river and s (3) to that man. Soon he pulled the man to the ba...
【单选题】下面哪个语句是用来创建过程的。
A.
CREATE PROCEDURE
B.
CREATE TRIGGER
C.
DROP PROCEDURE
D.
DROP TRIGGER
【单选题】If you talk nice and polite, people listen to you. If you shout, this is no good, __________ ? [ ]
A.
do you
B.
don't you
C.
is it
D.
isn't it
【简答题】One day people heard a shout for help. They h 小题1:to the river, and saw a man in the water. A young fisherman jumped i 小题2: the river and s 小题3: to that man. Soon he pulled the man to the bank and car...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
