Question

whts the differnce between operons and activator protein? @thomaster @skullpatrol

Answer 1

operons are a set of genes which code for proteins having function which are a part of 1 single process....while activator proteins are proteins which bind to the operator to activate the transcription of gene

Answer 2

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Answer 3

THANKS,
but i frame question incorrectly i want to know whats is difference between operator and activator binding site? @shrutipande9

Answer 4

and is there any site known as reperssors binding site

Answer 5

yes...according to what i remember...operator is d site where both the activator and repressor bind according to d function required.
ill give u an example if u want...

Answer 6

wht is meant bye activator binding site? operators are usually downstream and activators binding site are upstream of promoter ....

Answer 7

as said in my class notes

Answer 8

not necessarily the r present downstream...
according to what i know...operator is same as activator binding site...but maybe for some genes that site is different. also i think..before a gene gets transcribed there r various factors required for its initiation..so maybe the position at which these factors bind which bring about d transcription are referred to as activator binding site...

Answer 9

http://en.wikipedia.org/wiki/Activator_(genetics)
i think it is gene dependent..also dependent on what kind of activator protein..d site changes

Answer 10

check d image in dat link...i guess dat will help u

Answer 11

i am studying micro so it doesnt contain transcription factors and other things

Answer 12

if that means activators binding site activate or inhibits regulatory gene and where as promoters help in transcription? @shrutipande9

Answer 13

yes..but activators cannot inhibit ...

Answer 14

dt depends on activator protein as if its if it binds activator site it activates regulatory gene
but dis kind of unclear my concept where does activators protein binds activator binding sequence or operators?

Answer 15

see dats what i told u..its gene dependent...in d image dat i attached..cAMP was d activator and it had a cAMP binding site...so that worked as an activator binding site...but for some genes there is no specific activator binding site and operators can act as that site

Answer 16

k thx again

Answer 17

hope this helped..:D
happy studying...and keep in touch with OS