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proteins form pores in order to let any substances which are not soluble in lipids still able to pass from one end of the membrane to the other.
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∙ 11y ago
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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."
What is a small sac that forms part of a cell membrane?
A vesicle forms as a small sac from the cell's membrane.
What surrounds all cells?
All cells are surrounded by a semi-permeable cell membrane
Site of transport of materials into and out of the cell?
the cell membrane (partially permeable) has tiny pores which allow certain substances in and out of the cell
What macromolecules leaves the nucleus of a eukaryotic cell through the pores in the nuclear membrane?
mRNA
What molecule forms pores and transporters in the cell membrane?
the protein form the
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.
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
What is a small sac that forms part of a cell membrane?
A vesicle forms as a small sac from the cell's membrane.
