Скачать или смотреть Operons: Positive, Negative, Inducible, and Repressible! [Gene Regulation]

Regulation of operons can be positive, negative, inducible, repressible - what does it mean?! And what makes an operon positive inducible, negative inducible, positive repressible or negative repressible? It’s all about controlling transcription!

In this video, we’ll:
00:00 Intro
01:05 Compare positive and negative control of transcription
02:21 Compare inducible and repressible operons
05:02 Explain operon regulatory protein conformations (activators vs. repressors)
And finally, walk through diagrams of each operon category:
06:38 negative inducible operon
07:49 negative repressible operon
08:41 positive inducible operon
09:25 positive repressible operon

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