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Ivahew [28]
3 years ago
7

When is gene expression blocked in the lac operon system?

Biology
2 answers:
PilotLPTM [1.2K]3 years ago
8 0
The repressor protein blocks the genes from making mRNA.
elena-s [515]3 years ago
4 0

The depressor protein blocks the genes from making mRNA.

Absolutely sure!

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