Understanding the theory of plate tectonics can help people better understand Earth's movements. How can knowledge of plate tectonics help people living in areas prone to earthquakes and volcanic eruptions?

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.