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Does the plasma membrane regulate chemical traffic for the cell?
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What does NOT influence the rate of diffusion of a chemical across a plasma membrane?
Besides the concentration of the chemical, the pore size of the plasma membrane, and the osmotic pressure of the cytoplasm - nothing else influences the rate of diffusion of a chemical across a plasma membrane.
What property describes the plasma membrane's ability to regulate movement of molecules into and out of the cell?
permeability
Give the Chemical nature of plasma membrane and cell wall?
plasma membrane is made of organic molecules called lipds and proteins
What structure acts as a selective barrierregulating the traffic of materials into and out of the cell?
Cytoplasm is the selectively permeable structure that separates intracellular material from extracellular material.
What is the function of the carbohydrates that stick out if the plasma membrane?
The carbohydrates help identify chemical signals and define the characteristics of the cell.
What does NOT influence the rate of diffusion of a chemical across a plasma membrane?
Besides the concentration of the chemical, the pore size of the plasma membrane, and the osmotic pressure of the cytoplasm - nothing else influences the rate of diffusion of a chemical across a plasma membrane.
What property describes the plasma membrane's ability to regulate movement of molecules into and out of the cell?
permeability
Give the Chemical nature of plasma membrane and cell wall?
plasma membrane is made of organic molecules called lipds and proteins
What structure acts as a selective barrierregulating the traffic of materials into and out of the cell?
Cytoplasm is the selectively permeable structure that separates intracellular material from extracellular material.
All cell surrounded by a flexible barrier known as the?
Cell Membraneorplasma membrane
What is the function of the carbohydrates that stick out if the plasma membrane?
The carbohydrates help identify chemical signals and define the characteristics of the cell.
Define the structure and function of the cell membrane plasma membrane?
The cell membrane consists of a lipid bilayer which is actually a phospholipid. Cell membranes are semipermiable and they regulate what enters and leaves the cell.
How does nutrients enter a cell?
The plasma membrane.
Another name for plasma membrane?
A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
What would happen if the plasma membrane were composed solely of phospholipids and no proteins?
there would be no protein channels in the plasma membrane and as a result of that there would be no entry or exit of the materials across the membrane
The area of the cell between the plasma membrane and nucleus where chemical reactions occur is the?
The cytoplasm is the region between the nucleus and the plasma membrane. This region is composed of cytosol, a jellylike fluid, and other components.
How is the plasma membrane of the liver cell?
plasma membrane
