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cell (plasma) membrane

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Does the cell membrane keep materials from entering or leaving the cell?

yes, the cell membrane does keep material from entering or leaving the cell -karla cruz 7th grade


What Controls what goes in and out of the cell?

The cell membrane controls what goes in and out of the cell. It is a selectively permeable barrier that allows certain substances to pass through while preventing others from entering or leaving the cell. This helps maintain the internal environment of the cell.


What is the plant cells that control substances entering and leaving the cells?

cell membrane


What if water kept entering but not leaving the cell?

Edema, and eventually it would burst.


What might happen if the amount of water entering and leaving the cell were not controlled will the cell swell or shrink?

The cell membrane and all its organelles would burst.


Why is surface area an important factor in limiting factor in limiting cell growth?

The materials entering or leaving a cell need to pass through the cell surface.


Why does a plant have a rectangle shape cell?

The cell wall, which also protects the cell & controls the passage of objects from going inside and leaving the cell, also molds the shape of the cell.


What are the principles of tonicity?

The principles of tonicity include hypertonic solutions causing cells to shrink due to water leaving the cell, isotonic solutions maintaining equilibrium between water leaving and entering the cell, and hypotonic solutions causing cells to swell due to water entering the cell. Tonicity is related to the concentration of solutes compared to the concentration of solutes inside the cell.


What is the cell membrane's job?

controls what goes in and out of the cell.


What controls the passage of molecules in and out of the cell?

Cell membrane controls the passage of molecules in and out of the cell through selective permeability. This allows specific molecules to pass through while preventing others from entering or exiting the cell. The cell membrane contains protein channels and pumps that regulate the movement of ions and molecules.


What controls a cell?

The Nucleus controls the cell.


What is the cell that controls a substance into and out of a cell?

cytoplast cell it controls a substance into and out a cell.