搜题
网友您好,请在下方输入框内输入要搜索的题目:
搜题
题目内容 (请给出正确答案)
提问人:网友xs2121 发布时间:2022-01-07
[主观题]

In order to fit in the nucleus, DNA is highly organized. Which of the following structures is involved in packaging DNA?

A、Nucleosomes

B、Mitochondria

C、Golgi apparatus

D、Nucleoli

简答题官方参考答案 (由简答题聘请的专业题库老师提供的解答)
  抱歉!暂无答案,正在努力更新中……
更多“In order to fit in the nucleus, DNA is highly organized. Which of the following structures is involv…”相关的问题
第1题
which substances belong to vitamin V

A、retinoic acid

B、retinal

C、Retinol

D、beta carotene

点击查看答案
第2题
Pectoral girdle includes two bones clavicle and ___________

A、ilium

B、pubis

C、scapula

D、pelvis

点击查看答案
第3题
Which of the following is True about the heart?_____

A、The blood is pumped into the right ventricle and to the pulmonary artery to be sent to the lungs where carbon dioxide is removed and oxygen is added.

B、During the systole, oxygenated is pumped out of the right ventricle into the aorta and from there through the veins to all organs of the body.

C、There are four chambers which are made up of several layers of smooth muscles.

D、The heart is roughly the size of the your fist.

点击查看答案
第4题
Which statement is true about Wang Xizhi?

A、He lived in the Eastern Jin Dynasty.

B、He was called “Sage of Chinese Poetry”.

C、He was especially good at the Regular Script.

D、Many of his original works survive today.

点击查看答案
第5题
An electrical charge applied to an agarose gel will cause DNA to migrate through a matrix. What property of DNA does this technique exploit?

A、Electricity provides energy to nucleic acid,which causes the nucleic acid to move

B、The phosphate molecules that form the rails of the DNA ladder are negatively charged and will migrate toward a positive charge

C、An electrical charge releases phosphate molecules from DNA,which provides energy that allows the DNA to migrate through the agarose gel

D、The nucleobases that form the rungs of the DNA ladder are positively charged and will migrate toward a negative charge

点击查看答案
第6题
The first step in replication is separating the two strands of DNA. This task is achieved by the enzyme helicase, which unwinds the double stranded DNA. What does this create?

A、A replication fork

B、A transcription bubble

C、A DNA Zipper

D、Primase

点击查看答案
第7题
Which molecule(s) make up the rails of the DNA ladder? Select all that apply.

A、Single nucleobase

B、Paired nucleobases

C、Sugar molecules

D、Phosphate molecules

点击查看答案
第8题
What are cosmid vectors?

A、Hybrid between phage and plasmid

B、Hybrid between M13 and lambda phage

C、Modified lambda vector

D、Modified M13 vector

点击查看答案
第9题
Phage display technique makes use of which of the following vectors?

A、M13

B、Lambda

C、2 micron circle

D、BAC

点击查看答案
第10题
Which of the following is used to lyse the nucleus and release the DNA?

A、sodium dodecyl sulfate (SDS)

B、ammonium sulfate

C、ferric phosphate

D、phenol

点击查看答案
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!
查看《购买须知》>>>
重置密码
账号:
旧密码:
新密码:
确认密码:
确认修改
购买搜题卡查看答案
购买前请仔细阅读《购买须知》
请选择支付方式
微信支付
支付宝支付
点击支付即表示你同意并接受《服务协议》《购买须知》
立即支付
搜题卡使用说明

1. 搜题次数扣减规则:

功能 扣减规则
基础费
(查看答案)
加收费
(AI功能)
文字搜题、查看答案 1/每题 0/每次
语音搜题、查看答案 1/每题 2/每次
单题拍照识别、查看答案 1/每题 2/每次
整页拍照识别、查看答案 1/每题 5/每次

备注:网站、APP、小程序均支持文字搜题、查看答案;语音搜题、单题拍照识别、整页拍照识别仅APP、小程序支持。

2. 使用语音搜索、拍照搜索等AI功能需安装APP(或打开微信小程序)。

3. 搜题卡过期将作废,不支持退款,请在有效期内使用完毕。

请使用微信扫码支付(元)

订单号:

遇到问题请联系在线客服

请不要关闭本页面,支付完成后请点击【支付完成】按钮
遇到问题请联系在线客服
恭喜您,购买搜题卡成功 系统为您生成的账号密码如下:
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。
发送账号到微信 保存账号查看答案
怕账号密码记不住?建议关注微信公众号绑定微信,开通微信扫码登录功能
警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

- 微信扫码关注简答题 -
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反简答题购买须知被冻结。您可在“简答题”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
- 微信扫码关注简答题 -
请用微信扫码测试
欢迎分享答案

为鼓励登录用户提交答案,简答题每个月将会抽取一批参与作答的用户给予奖励,具体奖励活动请关注官方微信公众号:简答题

简答题官方微信公众号

简答题
下载APP
关注公众号
TOP