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They selectively allow certain size molecules to enter, or not to enter, the cell.
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∙ 15y ago
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What are cell membrane pores are made of?
Cell membrane pores are made up of protein.
What is aquaporins?
Aquaporins are protein molecules embedded in the phospholipid bilayer (cell membrane ) of some cells. They transport water across the cell membrane.
Why do some materials easily pass through a cell membrane?
All substances pass eaxily through the cee mem brane it is true for false?
What is the outer layer of a cell?
The outer layer of a cell is the cell membrane or plasma membrane
What structure forms the outside boundary of a human body cell?
The outer cell wall may be composed of glucans - sugar based layers, or poly-muco-saccarides, or glycoproteins.Interestingly, while different cell types have different outer boundaries, they all have the same inner boundary: the bi-lipid layer called the cell membrane.
Why are pores in a cell membrane different sizes?
The size of the membrane pores depend on the proteins constituting the pore, thus different proteins may cause different pore sizes. So in most cases, yes, the "pores" will most likely be of different sizes.
What are cell membrane pores are made of?
Cell membrane pores are made up of protein.
Openings in the nuclear membrane?
Openings in the nuclear membrane are called "pores"
What part of a cell is surrounded by a double membrane with pores?
Cell wall
Does the cell membrane of cells have pores or holes in them?
yes
Where in the cell is the nuclear pores located?
"Nuclear pores are large protein complexes that cross the nuclear envelope, which is the double membrane surrounding the eukaryotic cell nucleus."
Does the cell membrane have pores to let good and bad things in and out?
no
What cell organelle has pores that allow certain molecules to leave and enter it?
Cell membrane
What is the cell membrane in the cell?
The cell membrane is the border allowing entry and exit of materials through the cell. Both animal and plant cells have one.
What molecule forms pores and transporters in the cell membrane?
the protein form the
Are ion channels cell membrane pores?
Sort of, but some are gated.
What functions do proteins have in the cell membrane?
Receptors, Selective Channels and pores
