I'm assuming you mean a specific area, the scientific term being a neoplasm.
Enzymes are regulated by more than the binding of small molecules. A second method that is used all the time by eucaryotic cells to regulate a protein's function is the covalent addition of a phosphate group to one of its amino acid side chains. These phosphorylation events can affect the protein in two important ways.
It is hard to stop using., It is a nonrenewable resource., It is damaging to the environment.
Answer: The difference between them are that Biotic things are living things and abiotic is non living. The biotic and abiotic factors help eachother maintain the ecosystem .