If you mutant LacI so that the repressor cannot bind DNA anymore (lac I-), will the LacZ gene still subject to the normal regulation?

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Plz ! ive been stuck on this forever