The answer to this is C- electromagnetic waves.
Hope that helps :)
The nucleus controls what happens within the cell
Acids correspond to volatile molecules that release positive hydrogen ions. These ions have a profound effect on the other molecules in foods. Also, they can affect the cells in your body, fortunately, our taste buds help us regulate the number of free hydrogen ions we eat by making us perceive acids as sour tasting.
Will occur spontaneously without the need of an activator because they have a great internal energy
the answer is D) repressor
