Help I will make u a brainlist if u do this question for me now

What is the main fuel source for the work of the cell

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.

In what ways does the study of human population differ from the study of wildlife ecology