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Uploaded by agathman on Apr 8, 2010
This first part actually gives the background, explaining the negative control system in the trp operon. Part 2 ( http://www.youtube.com/watch?v=lvIfoWAuq28 ) covers attenuation, but this info is necessary to understand it.
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This is the third time now one of your videos has made something so much more clear to me. Thank you. You are doing a wonderful service!
lidnsya 3 weeks ago
Awesome video! Thanks so much!
talkingpigger 3 weeks ago
Great explanation!
BI0GUY 3 months ago
you are a savior!
anast90210 4 months ago
Great!
monomnn 4 months ago
great video :)
gunkoalaz 6 months ago
u are much much better than any teacher i had. ! awesome man.
Thanks a million
desparado2887 7 months ago 2
thanks ;) so understandable:)
elnazization 7 months ago
thanks :)
rendall 11 months ago
I've got a midterm tomorrow and u r so awesome! thanks a lot!
leesm0125 11 months ago
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This is the third time now one of your videos has made something so much more clear to me. Thank you. You are doing a wonderful service!
lidnsya 3 weeks ago
Awesome video! Thanks so much!
talkingpigger 3 weeks ago
Great explanation!
BI0GUY 3 months ago
you are a savior!
anast90210 4 months ago
Great!
monomnn 4 months ago
great video :)
gunkoalaz 6 months ago
u are much much better than any teacher i had. ! awesome man.
Thanks a million
desparado2887 7 months ago 2
thanks ;) so understandable:)
elnazization 7 months ago
thanks :)
rendall 11 months ago
I've got a midterm tomorrow and u r so awesome! thanks a lot!
leesm0125 11 months ago