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Amoeba Sisters
Gene Regulation and the Order of the Operon
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function.
TED Talks
TED: How we can make crops survive without water | Jill Farrant
As the world's population grows and the effects of climate change come into sharper relief, we'll have to feed more people using less arable land. Molecular biologist Jill Farrant studies a rare phenomenon that may help: "resurrection...
Bozeman Science
Operon
In this video Paul Andersen describes the elements of an operon. The promoter allows the RNA polymerase to transcribe the required genes. The operator and repressor regulate the expression of the genes by blocking the RNA polymerase. ...
Bozeman Science
Gene Regulation
Paul Andersen explains how genes are regulated in both prokaryotes and eukaryotes. He begins with a description of the lac and trp operon and how they are used by bacteria in both positive and negative response. He also explains the...
Curated Video
Conor Benn in shock split from Eddie Hearn’s Matchroom as he joins rival promoter Dana White
Conor Benn in shock split from Eddie Hearn’s Matchroom as he joins rival promoter Dana WhiteCredit: Alex Pattle/The Independent
msvgo
Catalysis
It explains the process of catalysis. It describes the homogeneous and heterogeneous catalysis. It discusses the adsorption theory of heterogeneous catalysis.
msvgo
Transcription in Eukaryotes
It explains the cellular machinery required for transcription in eukaryotes, including RNA polymerase. It describes initiation, elongation and termination of transcription.
Professor Dave Explains
Regulation of Gene Expression: Operons, Epigenetics, and Transcription Factors
We learned about gene expression in biochemistry, which is comprised of transcription and translation, and referred to as the "central dogma" of molecular biology. But how is this process regulated? How does a cell know which genes to...
Professor Dave Explains
What is Cancer?
Cancer is the ultimate expiration date for biological life. But what is it? How does it occur? Is there anything we can do about it? Let's take a brief look at this incredibly complex issue.