Iam the jelly-like fluid inside the cell. i provide an area of movement for all the dissolved molecules that keep the cell working. i am?

I am the jelly-like fluid inside the cell.I provide an area of movement for all the dissolved molecules that keep the cell working. I am?

I am the Cytoplasm.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?