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RNA processing in Eukaryotes
agathman
361 views
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Attenuation in the trp operon (VoiceThread)
agathman
339 views
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Prokaryotic Transcription and Promoters
agathman
592 views
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El experimento de Griffith en Español (por Ana)
agathman
1,115 views
Mi estudiante Ana describe el 1928 experimento de Griffith, en lo cual Griffith descubrí el fenómeno de transformación en Streptococcus pneumoniae.
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Mechanism of intron removal and exon splicing
agathman
4,218 views
Introns are removed from eukaryotic RNA transcripts and exons are spliced together. This video shows the details of the process of removal of a typical nuclear intron, inc...
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Avery, MacLeod, and McCarty 1944 experiment
agathman
3,976 views
A description of the experiment by Avery, MacLeod, and McCarty that supported the hypothesis that DNA was the genetic material. They used Streptococcus pneumoniae cells, s...
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Griffith's transformation experiment
agathman
3,147 views
In 1928, Frederick Griffith reported the phenomenon of bacterial transformation in Streptococcus pneumoniae. This work led to Avery, MacLeod, and McCarty's discovery that...
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Cesium Chloride Density Gradient Centrifugation
agathman
2,913 views
This is the technique used in the Meselson and Stahl experiment, which tested hypotheses about DNA replication. I explain how the cesium chloride density gradient forms, a...
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Gyrase in E. coli
agathman
4,008 views
How gyrase (topoisomerase II) removes supercoils in the E. coli chromosome during DNA replication
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Take 1, Gyrase
agathman
269 views
Planning ahead is important.
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