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Sagot :
Inducible and repressible systems are similar in that in both systems the regulatory molecules function by binding to the operator.
An operon is a structural group of genes that are expressed or controlled by a single promoter and is considered the functional unit of genomic DNA.
Similarities between inducible and repressible operons:
- Inducible and repressible operons are two types of operons in prokaryotic gene organization.
- Both contain functionally related genes juxtaposed in the genome.
- Gene regulation of both operons also falls under the general regulatory elements.
- Moreover, their differential regulation is based on the type of molecular effector that binds to the repressor. When activated, the repressor binds to the promoter-operator region and directs the RNA polymerase to bind to the promoter region
This question is multiple choice:
a) both systems usually control catabolic pathways.
b) both systems usually control biosynthetic pathways.
c) both systems block transcription through the presence of a regulatory protein.
d) both systems are unique to prokaryotes.
e) in both systems the regulatory molecules function by binding to the operator.
So, the true choice is E.
Learn more about inducible and repressible operons at https://brainly.com/question/14464401
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