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OpenStudy (anonymous):
The cell membrane helps to control what enters and leaves a cell. Which of these substances, which accounts for about two-thirds of a cell's mass, is constantly moving in and out of the cell? A) carbohydrates B) protein Eliminate C) waste D) water
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eclipsedstar (eclipsedstar):
D. Water
eclipsedstar (eclipsedstar):
Water makes up about 2/3 of a cell's mass, both plant and animal cells.
OpenStudy (anonymous):
@EclipsedStar no direct answers
eclipsedstar (eclipsedstar):
Well...90% of everyone does that...
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