What does the M Checkpoint look for?

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

Everything that surrounds a particular organism

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.