Question

what activates the trp operon in a bacterium cell?
I say the presence of tryptophan, but the answer key says the absence of tryptophan so idk :/

Answer 1

i think its tryptophan to

Answer 2

the presence of it?

Answer 3

https://www.boundless.com/biology/textbooks/boundless-biology-textbook/gene-expression-16/prokaryotic-gene-regulation-112/the-trp-operon-a-repressor-operon-454-11679/

^Very Helpful

Answer 4

so i would say yes if that is the only answer choice with tryptophan in it

Answer 5

you there @aroub

Answer 6

Thank you :)

Answer 7

Yw :D