皮皮学，免费搜题
登录
搜题
【单选题】
核酸分子杂交技术建立所依据的原理是( )。A.
核酸碱基之间氢键结合力
B.
核酸碱基之间二硫键结合力
C.
核酸碱基之间静电引力
D.
核酸双链之间氢键结合力
E.
互补序列单链核苷酸相遇时退火形成双链
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】---How did you kill your time last weekend? ---Harry took me to a (n) ________restaurant for our anniversary.
A.
active
B.
reliable
C.
fancy
D.
worth
【简答题】设计幼儿园教育活动需要注意什么?
【单选题】Please Fasten Your Seatbelts Severe turbulence (湍流) can kill aircraft passengers. Now, in test flights over the Rocky Mountains, NASA (美国航空航天局) engineers have successfully detected clear-air turbulenc...
A.
A not very rough storm.
B.
Unexpected disturbed air.
C.
A kind of visible storm.
D.
A storm over mountain ridges.
【单选题】Please Fasten Your Seatbelts Severe turbulence (湍流) can kill aircraft passengers. Now, in test flights over the Rocky Mountains, NASA (美国航空航天局) engineers have successfully detected clear-air turbulenc...
A.
A not very rough storm.
B.
Unexpected disturbed air.
C.
A kind of visible storm.
D.
A storm over mountain ridges.
【单选题】Please Fasten Your Seatbelts Severe turbulence (湍流) can kill aircraft passengers. Now, in test flights over the Rocky Mountains, NASA (美国航空航天局) engineers have successfully detected clear-air turbulenc...
A.
A not very rough storm.
B.
Unexpected disturbed air.
C.
A kind of visible storm.
D.
A storm over mountain ridges.
【单选题】一肺结核病人近日左胸痛，呼吸时痛加重，屏气时减轻，数天后胸痛消失，但呼吸困难越来越重，检查时发现患侧叩诊浊音，听诊呼吸音消失，可能是（ ）
A.
胸膜肥厚
B.
胸腔积气
C.
胸腔积液
D.
胸壁肥厚
E.
皮下气肿
【简答题】What would you do if you found a snake in your house? Many people might be afraid or try to kill it. However, if you live in North Carolina in the USA, one thing you can do is to call the Snake Catche...
【单选题】How to Take Your Time How a person thinks about time can kill him, according to Dossey, a pioneer in the emerging science of chronobiology, the study of how time interacts with life. One of the most c...
A.
distresses
B.
indications
C.
reasons
D.
representatives
相关题目：
参考解析：
知识点：
题目纠错 0
发布
