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Electroporation is a dynamic phenomenon that depends on the local transmembrane voltage at each point on the cell membrane. It is generally accepted that for a given pulse duration and shape, a specific transmembrane voltage threshold exists for the manifestation of the electroporation phenomenon (from 0.5 V to 1 V). This leads to the definition of an electric field magnitude threshold for electroporation (Eth). That is, only the cells within areas where E≧Eth are electroporated. If a second threshold (Eir) is reached or surpassed, electroporation will compromise the viability of the cells, i.e., irreversible electroporation.[2]
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How does the permeability of the plasma membrane relate to homeostasis?
who the knows
Selective permeability refers to the fact that the plasma membrane keeps all molecules out of the cell?
Selective permeability refers to the fact that the plasma membrane can choose which molecules to let in or out of the cell.
What is the feature of plasma membrane that keep some substances out?
Selective Permeability
Is homeostasis the quality of a plasma membrane that allows oxygen and glucose to move in?
Selective Permeability
What property describes the plasma membrane's ability to regulate movement of molecules into and out of the cell?
permeability
What is electroporation?
Electroporation, or electropermeabilization, is a significant increase in the electrical conductivity and permeability of the cell plasma membrane caused by an externally applied electrical field. It is usually used in molecular biology as a way of introducing some substance into a cell, such as loading it with a molecular probe, a drug that can change the cell's function, or a piece of coding DNA.For more details see the link on the left
How does the permeability of the plasma membrane relate to homeostasis?
who the knows
Selective permeability refers to the fact that the plasma membrane keeps all molecules out of the cell?
Selective permeability refers to the fact that the plasma membrane can choose which molecules to let in or out of the cell.
What is the feature of plasma membrane that keep some substances out?
Selective Permeability
What feature of the plasma membrane that keeps some substances out?
Selective Permeability
Is homeostasis the quality of a plasma membrane that allows oxygen and glucose to move in?
Selective Permeability
What property describes the plasma membrane's ability to regulate movement of molecules into and out of the cell?
permeability
What does the difference in the K and Na concentration on either side of the plasma membrane (and permeability of the membrane to those ions) generate?
Resting membrane Potential
Is the cell membrane permeable to glycerol?
No. Permeability of glycerol through plasma membrane= (approx) 1.9 x 10^-9 m/sec Permeability of water through plasma membrane = 2.0 x 10^-6 m/sec
The ability of the plasma membrane to select which molecules will enter or exit the celll is referred to as?
Selective permeability
Is membrane permeability a major function of the plasma protein in the blood?
yes, cell membranes are semipermeable.
What does the difference in the K and Na concentration on either side of the plasma membrane and permeability of the membrane to those ions generate?
resting membrane potential
