proteins
membrane proteins act as carriers or channels for the specific movement of various substances in to and out of the cells.
Permeable if anything can go through or semipermeable if only certain things can go through it.
Small holes in the nuclear membrane of a cell's nucleus, which allow the transportation of water solluable materials in and out of the nucleus through the nuclear membrane.
The cell membrane, which is a lipid bilayer, will only allow some things in and allow others to go out of the cell.
d large molecules would be able to enter and damage the nucleus . . . . . .
Membrane transporter.
PROTEIN!!!!!!!!!!!!!!!!!!!!!!!!!
PROTEIN!!!!!!!!!!!!!!!!!!!!!!!!!
permeability
permeability
membrane proteins act as carriers or channels for the specific movement of various substances in to and out of the cells.
permeability
permeability
PROTEIN!!!!!!!!!!!!!!!!!!!!!!!!!
Permeable if anything can go through or semipermeable if only certain things can go through it.
The nuclear pores are tiny holes in the the nuclear membrane surrounding the nucleus of a cell, which allow the movement of solluable materials through the nuclear membrane, in and out of the nucleus.
Glycoproteins form channels which sustrates and larger molecules can pass through.