Ineed stat it’s 8th grade work i believe *science*

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

What is the difference between a meteoroid and a meteor?

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.