Topic: Cell Membrane Permeability
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Answers to Common Questions
What is the permeability of the cell membrane?
A membrane is selectively permeable. Read More »
Source: http://wiki.answers.com/Q/What_is_the_permeability_of_the_cell_me...
Why is the cell membrane not permeable?
because it is made up of phospholipids that have hydrophillic (water loving) heads and hydrophobic(water fearing) tails which serve as a barrier to many things. Read More »
Source: http://wiki.answers.com/Q/Why_is_the_cell_membrane_not_permeable
How are cell membranes permeable?
Cell membranes are semi-permeable, because they are made up of lipids, and some proteins. The lipids are called phospholipids, which are similar in structure to fats, but a phosphate group is attached to the third carbon of the glycerol mol... Read More »
Source: http://wiki.answers.com/Q/Why+is+it+vital+that+a+cell+membrane+be...
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Cell Membrane Permeability
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Answers to Other Common Questions
It needs to control entering and leaving through the cell. The cell needs to control what enters and leaves. It needs to keep somethings in and other things out. However, only the Selectively cells can enter and go out of the cell! This is ...
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Source: http://wiki.answers.com/Q/Why_is_the_cell_membrane_selectively_pe...
Hydrophobic molecules are permeable to the cell membrane. Anything that is samll and hydrophobic will pass easily. Larger, hydrophilic molecules require a transport protein to allow permeability.
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Source: http://wiki.answers.com/Q/What_molecules_are_permeable_to_the_cel...
yes. they are permeable to to the things that they need and the things that they don t they just don t take it in
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Source: http://wiki.answers.com/Q/How_are_cell_membranes_selectivly_perme...
A selectively permeable membrane means that only certain substances can pass through the membrane. The word selectively indicates for us that only selected substances can pass through.
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Source: http://wiki.answers.com/Q/What_is_a_cell_membrane_that_is_selecti...
The pores of the cell membrane only allow objects of a certain size or polarity through. The lipids that make up the membrane have a certain polarity at the head and tail and only certain objects are allowed through because of this.
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Source: http://wiki.answers.com/Q/How_the_cell_membrane_is_selectively_pe...
selective permeability (Some molecules can move through the membrane, while others cannot.)
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Source: http://wiki.answers.com/Q/What_decribes_the_permeability_of_the_c...
