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What structure controls the passage of substances into and out of the cell?
cell membrane
Where is the cell control center and the cell membrane?
where is the cell control membrane and the cell membrane
What Controls what moves in and out of the cell?
Cell membrane
Which contains the other cell membrane or phospholipid?
the cell membrane
What controls the entering and leaving of a cell?
cell (plasma) membrane
What is it when ions are in a low concentration outside a cell and they slowly cross the membrane into the cell?
the answer is the membrane are probably broken down
What two membranes need to be broken down to release DNA from a plant cell?
I think as long as you reach the nucleus , you've reached the DNA thus you should break the cell wall , and cell membrane.
Why do nutrients need to be broken down before they can be absorbed by the human body?
So that it can be small enough to pass through a cell's membrane.
How does alcohol effect the cell membrane of onions?
The cell membrane is made up of a phospolipid bilayer, and these phospholipids are soluble in ethanol. Therefore, the membrane will be broken down (?). This increases the permeability of the cell membrane.
What regulates passage of materials into and out of cells?
The cell membrane controls movement of materials in and out of the cell.
What part of the cell must be broken down to extract DNA?
In a eukaryote cell the double walled nuclear membrane must be broken, or pierced to release the DNA into the cytoplasm and then the phospholipid bilayer would have to be breached next to release the DNA from this type cell A prokaryote cell would need both its cell wall and its plasma membrane breached to release the DNA from the cell.
Which cell structure controls what enters and leaves the cell?
The selective permeability of the cell membrane
What cell structures are made primarily from phospholipids?
cell membrane
What structure controls the passage of substances into and out of the cell?
cell membrane
What controls entry into and out of the cell?
Cell Membrane
What is the thin flexible membrane around all cells?
the cell membrane is as flexible barrier outside of the cell.
Where is the cell control center and the cell membrane?
where is the cell control membrane and the cell membrane
