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What controls the entering and leaving of a cell?
cell (plasma) membrane
What is the plant cells that control substances entering and leaving the cells?
cell membrane
What is the main function of cell cell wall?
The cell wall is a non-permeable membrane which helps to stop the entering of unwanted materials
What is The process of substances leaving a cell called?
The process of substances leaving a cell is called diffusion. The cell membrane is a selective permeable membrane that only allows certain materials to enter or leave the cell.
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.
What of the following refers to materials leaving the cell?
Exocytosis is the process by which materials are exported out of the cell. During exocytosis, vesicles containing the materials fuse with the cell membrane, releasing their contents outside the cell.
What surrounds materials to be moved into or out of a cell?
a vacuole sorrounds any materials that are being taken out of the cell. they are made of lipids from the cell membrane if coming into the cell, or made of lipids from other organelles in the cell if leaving the cell
What confines cell contents and regulates entry and exit of materials?
The cell membrane confines cell contents and regulates the entry and exit of materials. It acts as a selectively permeable barrier, allowing certain compounds to pass while preventing others from entering or exiting the cell.
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.
What part of the cell regulates the entrance and exit of molecules for the cell?
The cell membrane is a busy cell. This cell regulates what can and cannot leave.
What feature of the cell prevents water from entering the cell?
Phospholipids in the cell membrane prevent water from entering a cell.
What function is cell membrane?
A cell membrane is a selectivley permeable membrane. This means that it only lets specific materials get in and out of the cell. The cell membrane helps to let only needed materials into the cell and to get unneeded materials out of the cell. (food goes in waste comes out.)
