Some bacteria are facultative anaerobes, which usually produce atp by aerobic respiration but are also capable of switching to fermentation when there is a lack of in their environment

What is the identity of the planets?

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

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.