operon LAC
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kann ich so nicht unterschreiben. (bin bio prof.)
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@dreadyteddy really? i thought it was the repressor that allolactose binds to and makes it fall of the lacO site thereby allowing transcription to occur.
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Very clear and succinct. Thanks!
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@Microglia1 The lac operon is an example of prokaryotic (single-celled organisms such as bacteria) gene expression and prokaryotes do not have a double helix DNA structure.
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hey could someone tell me whats the meaning of a negative operon?:) i know that lac operon is a negative inducible operon i understand the inducible part but keep getting confused about the negative part
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this is the best video on lac operon
5 months ago 3
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bota uma legenda filho
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wow this was awesome and helpful! yay for technology and visual videos :)
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Think this is the video ever on youtube with no dislikes
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This is all true, except allolactose causes the confimational change in the inducer, not lactose. Allolactose is produced in the 2nd reaction of beta-galactosidase in which lactose is isomerised. This occurs when only residual levels of the enzyme are present.
dreadyteddy 2 years ago 14
THANKS FOR MAKING/ UPLOADING THIS HELPFUL VIDEO
its saving tons of brain power which i need to read up on 4 more chapters before my final tomorrow! thanks
yea i definitely shouldn't have put my studies off till last minute again ;)
50kT 1 year ago 8