搜题
章节测试答案
学历考试
继续教育
网课答案
网课答案全集
登录
注册
请在
下方输入
要搜索的题目:
搜 索
立 即 搜 题
DNA double helix structure was elucidated by Watson and Crick in 1953.
发布时间:
2024-04-08 14:21:45
首页
网课答案
推荐参考答案
(
由 搜题小帮手 官方老师解答 )
联系客服
答案:
以下文字与答案无关
提示:有些试题内容 显示不完整,文字错误 或者 答案显示错误等问题,这是由于我们在扫描录入过程中 机器识别错误导致,人工逐条矫正总有遗漏,所以恳请 广大网友理解。
查看参考答案
相关试题
1.
The Watson and Crick model of DNA replication that requires unzipping of the double helix is the ( ) model.
2.
In 1953, the double helix structure of DNA proposed by James D Watson and Francis Crick is the fiber conformation(纤维构象)of DNA sodium salt(钠盐)under high humidity (92%). (). 选项: A: Type A DNA B: Type B DNA C: Type Z DNA D: None of the above
3.
DNA was first isolated by Friedrich Miescher in 1869. Its molecular structure was first identified by James Watson and Francis Crick at the Cavendish Laboratory within the University of Cambridge in 1953.
4.
Characteristics of DNA structure 选项: A:Single helix structure B:Four helix structure C:Double Helix structure D:Triple helix structure
5.
The description of the secondary structure of DNA double helix are correct, EXCEPT 选项:A、Two antiparallel strands B、Deoxyribose-phosphate frame located outside the strands C、Two strands are joined by hydrogen bond formed between A-T and G-C D、Diameter of helix is 2 nm, and 10 bases in each turn E、Nucleosome is the structure unit of DNA double helix
6.
James Watson, Francis Crick, and Rosalind Franklin were awarded a Nobel Prize in 1962 for their work on the structure of DNA. ( ) 选项:A、对 B、错
7.
In the following scientific research cases, () reflects the characteristics of teamwork. 选项: A、Poisson predicts bright spots in the shadow of the disc according to the wave theory, Fresnel proved by experiment B、Li Zhengdao and Yang Zhenning proposed the theory of parity non-conservation, Wu Jianxiong proved it by experiment C、Faraday proposed the "line of force" theory of electric field, Maxwell established a strict mathematical model of electromagnetic field D、Watson and Crick establish and prove the double helix structure of DNA
8.
All of the following led to Watson and Crick's determination of DNA structure except ( ).选项: A:X-ray diffraction; B:cardboard model building; C:Levene's ideas on DNA components; D:Pauling's work on DNA structure; E:cesium chloride density gradients
9.
提出DNA双螺旋结构的两位科学家是( )选项: A:Sanger and Watson; B:Watson and Crick; C:Kreb and Sanger; D:Crick and Kreb
10.
Which finding was not awarded the Nobel Prize? 选项: A、PCR B、DNA sequencing C、green fluorescent protein D、double helix structure E、human have 46 chromosomes
11.
Which mechanisms are used to achieve the high accuracy of DNA replication ( )选项: A: Stability of DNA double helix structure.; B:dNTP and template are paired with A = T, G ≡ C,; C:DNA polymerase has exonuclease activity; D:DNA mismatch repair system,
12.
Watson-Crick提出的DNA右手螺旋结构属于哪一型?
13.
Watson-Crick DNA双螺旋结构模型的要点不包括( )。 选项:
14.
What is the order of packaging of chromatin in eukaryotic cells fromsmallest to largest size?() 选项: A、double-helix → solenoid螺线管→ nucleosome→ chromosome B、double-helix → chromatin → solenoid → chromosome C、single-stranded DNA → chromatin → histones →chromosome D、double-helix → nucleosomes → solenoid → chromosome
15.
有关Watson 和Crick提出的DNA双螺旋结构模型,说法错误的是( )
用户中心
登录
没有账号?
点我注册
热门标签
既得
任何条件
焊接工
之口
党纲
鞍状
互通情况
犯罪心理
年刊
快书
登录 - 搜题小帮手
登录
立即注册
已购买搜题包,但忘记账号密码?
登录即同意
《服务协议》
及
《隐私政策》
注册 - 搜题小帮手
确认注册
立即登录
登录即同意
《服务协议》
及
《隐私政策》
购买搜题卡查看答案
购买前请仔细阅读
《购买须知》
体验
30天体验包
¥
5.99
无赠送,体验一下
查看100次答案
推荐
半年基础包
¥
9.99
畅享300次搜题
查看300次答案
随心用
超值包一年
¥
29.99
超值包,一万次搜题
查看10000次答案
月卡
月卡
¥
19.99
30天无限搜题
查看30天答案
请选择支付方式
已有帐号 点我登陆
微信支付
支付宝扫码
请输入您的手机号码:
点击支付即表示同意并接受了
《服务协议》
和
《购买须知》
填写手机号码系统自动为您注册
立即支付
我们不保证100%有您要找的试题及正确答案!请确保接受后再支付!
联系客服
找回账号密码
微信支付
订单号:
1111
遇到问题请
联系客服
恭喜您,购买搜题卡成功
系统为您生成的账号密码如下:
账号
密码
重要提示:
请勿将账号共享给其他人使用,违者账号将被封禁。
保存账号查看答案
请不要关闭本页面,支付完成后请点击【支付完成】按钮
支付完成
取消支付
遇到问题请联系
在线客服