皮皮学，免费搜题
登录
搜题
【多选题】
组成蛋白质的基本单位是 [填空(1)] ，氨基酸是含有 [填空(2)] 和 [填空(3)] 的一类有机化合物的通称。氨基连在α-碳上的为 [填空(4)] 氨基酸，组成蛋白质的氨基酸均为 [填空(5)] 氨基酸A.
氨基酸
B.
氨基
C.
羧基
D.
α-
E.
α-
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
【单选题】听力原文：Tutor: We're very pleased to welcome Professor lsaac Nebworth to our tutorial group today and he's come to share one of his pet passions with us - city traffic and our western dependence on the m...
A.
lead to better lifestyles.
B.
are a feature of wealthy cities.
C.
result in more city suburbs.
【单选题】听力原文： Welcome to this year's national tennis championship tournament. We're pleased that you will be here throughout the week to cover the championship matches. Remember that you are required to wear ...
A.
Athletes
B.
Film stars
C.
Journalists
D.
Politicians
【单选题】OK, we’re off! Does this mean (a) we’re moving, or (b) we’re successful?
A.
(a) we’re moving
B.
(b) we’re successful
【单选题】听力原文：Welcome to the Good Health Show. We're pleased to have well-known dietician Paulina Cruz on the show today. She will tell us how drinking a few extra glasses of water can help us lose weight and ...
A.
How to stay healthy.
B.
Where to buy health foods.
C.
What to eat when fatigued.
D.
How to conserve water.
【简答题】Joe. You seem to be very pleased today. Any good news?Ann: ______
【单选题】We’re _______ to listen to her _______ voice. It’s _______ to hear her sing.
A.
pleased; pleasing; pleasure
B.
pleased; pleasant; a pleasure
C.
pleasing; pleased; a pleasure
D.
pleasing; pleasant; pleasure
【简答题】电除尘器的组成部件有哪些？
【单选题】《药品流通监督管理办法》(局令第26号)规定,药品经营企业在销售过程中销售凭证保存至( )
A.
超过药品有限期1年
B.
超过药品有效期1.5年
C.
超过药品有限期1年，但不得少于3年
D.
超过药品有限期1年，但不得少于2年
【简答题】电除尘器的组成部件有哪些?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
