个人资料图片
English
  • 全部
  • 搜索
  • 图片
  • 视频
  • 地图
  • 资讯
  • 更多
    • 购物
    • 航班
    • 旅游
  • 笔记本
报告不当内容
请选择下列任一选项。
  • 时长
    全部短(小于 5 分钟)中(5-20 分钟)长(大于 20 分钟)
  • 日期
    全部过去 24 小时过去一周过去一个月去年
  • 清晰度
    全部低于 360p360p 或更高480p 或更高720p 或更高1080p 或更高
  • 源
    全部
    Dailymotion
    Vimeo
    Metacafe
    Hulu
    VEVO
    Myspace
    MTV
    CBS
    Fox
    CNN
    MSN
  • 价格
    全部免费付费
  • 清除筛选条件
  • 安全搜索:
  • 中等
    严格中等（默认）关闭
筛选器
RecA structure and function - Jim Haber (Brandeis)
4:12
YouTubeiBiology Techniques
RecA structure and function - Jim Haber (Brandeis)
https://www.ibiology.org/genetics-and-gene-regulation/mechanisms-dna-repair/#part-1 Crystallographic images of RecA filament structures have allowed scientists to study the strand exchange process at a biochemical level.
已浏览 1.8万 次2013年11月13日
DNA to Protein Translation
DNA Replication (Updated)
8:12
DNA Replication (Updated)
YouTubeAmoeba Sisters
已浏览 951.7万 次2019年6月28日
DNA vs RNA (Updated)
6:31
DNA vs RNA (Updated)
YouTubeAmoeba Sisters
已浏览 492.3万 次2019年8月30日
DNA Replication - Leading Strand vs Lagging Strand & Okazaki Fragments
19:55
DNA Replication - Leading Strand vs Lagging Strand & Okazaki Fragments
YouTubeThe Organic Chemistry Tutor
已浏览 143.6万 次2019年11月6日
热门视频
RecA protein
3:05
RecA protein
YouTubeBio peak
已浏览 3582 次2022年3月4日
St. Charles County helps radiation compensation applicants with library's research support
1:10
St. Charles County helps radiation compensation applicants with library's research support
YouTubeKSDK News
已浏览 741 次3 周前
300,000 could get RECA payouts in St. Louis area; Under 1% have applied
0:43
300,000 could get RECA payouts in St. Louis area; Under 1% have applied
YouTubeFOX 2 St. Louis
已浏览 474 次3 周前
DNA and Protein Synthesis
Cell Biology | DNA Structure & Organization 🧬
46:23
Cell Biology | DNA Structure & Organization 🧬
YouTubeNinja Nerd
已浏览 78.8万 次2021年3月24日
What is DNA and How Does it Work?
5:24
What is DNA and How Does it Work?
YouTubeStated Clearly
已浏览 522.5万 次2012年8月30日
GCSE Biology - What is DNA? (Structure and Function of DNA)
6:33
GCSE Biology - What is DNA? (Structure and Function of DNA)
YouTubeCognito
已浏览 70.4万 次2020年3月8日
RecA protein
3:05
RecA protein
已浏览 3582 次2022年3月4日
YouTubeBio peak
St. Charles County helps radiation compensation applicants with library's research support
1:10
St. Charles County helps radiation compensation applicants with libr…
已浏览 741 次3 周前
YouTubeKSDK News
300,000 could get RECA payouts in St. Louis area; Under 1% have applied
0:43
300,000 could get RECA payouts in St. Louis area; Under 1% have app…
已浏览 474 次3 周前
YouTubeFOX 2 St. Louis
St. Louis city hosts first town hall on radiation compensation program
2:04
St. Louis city hosts first town hall on radiation compensation program
已浏览 219 次2 周前
YouTubeKSDK News
ZIP codes left out of RECA fight for radioactive compensation
2:58
ZIP codes left out of RECA fight for radioactive compensation
已浏览 1531 次4 个月之前
YouTubeKSDK News
RECA applications now open, as fight continues
2:47
RECA applications now open, as fight continues
已浏览 574 次3 个月之前
YouTubeKSDK News
WATCH: Families sickened by radiation exposure want Congress to revive this key compensation program
4:40
WATCH: Families sickened by radiation exposure want Congres…
已浏览 3593 次9 个月之前
YouTubePBS NewsHour
1:09
Hawley outlines next steps after RECA signed into law
已浏览 781 次4 个月之前
YouTubeFOX 2 St. Louis
32:25
LIVE: St. Louis County to provide an update on RECA application
已浏览 867 次3 个月之前
YouTubeKSDK News
观看更多视频
静态缩略图占位符
更多类似内容
反馈
  • 隐私
  • 条款