It is the Mid-Atlantic Ridge.
The answer is D because bacteria is one or more cells.
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.
This might help:
https://quizlet.com/1965478/environmental-health-test-1-flash-cards/
Answer:
Yes, viruses are super small. It is also smaller than bacteria. So you wouldn't notice anything.
