For a cell to maintain the appropriate balance of materials inside and outside of the cell, materials must be able to move in and out of the cell. the degree in which materials are able to flow freely through a cell's membrane is known as

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.