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Can polar molecules pass through the phospholipid bilayer?
Yes, polar molecules can pass through the phospholipid bilayer through facilitated diffusion or active transport.
Which molecule among the following will not pass through the phospholipid bilayer of a membrane?
The molecule that will not pass through the phospholipid bilayer of a membrane is a large and polar molecule.
Is the lipid bilayer permeable to most water-soluble substances?
The lipid bilayer is impermeable to most water-soluble substances.The bilayer, most of which is a phospholipid bilayer, is permeable only to small, non-polar substances.In nature, the most common compounds to pass through the bilayer are carbon dioxide and oxygen.Scientists differ over how much water passes in and out of cells through the bilayer; some passes through special transport proteins called aquaporins.
Is glucose permeable or impermeable?
Glucose is permeable, meaning it can pass through cell membranes.
What can pass through the phospholipid bilayer?
Small, non-polar molecules like oxygen and carbon dioxide can pass through the phospholipid bilayer easily. Larger or charged molecules may need special transport proteins to help them cross.
What is definition of selectively permeable?
The selectively permeable phospholipid bilayer (a.k.a plasma membrane) is 'selectively permeable' because it selects which molecules it allows to permeate (pass through).
Why is it necessary for glucose to be pumped into the cell rather than diffusing in?
Glucose cannot pass through a phospholipid bilayer by simple diffusion.
Can polar molecules pass through the phospholipid bilayer?
Yes, polar molecules can pass through the phospholipid bilayer through facilitated diffusion or active transport.
Which molecule among the following will not pass through the phospholipid bilayer of a membrane?
The molecule that will not pass through the phospholipid bilayer of a membrane is a large and polar molecule.
Can CO2 pass through the phospholipid bilayer?
oxygen
What does Phospholipid Bilayer?
The phospholipid bilayer is the outer layer of the cell. It only lets very small molecules through it. The bigger ones will have to go through the proteins lodged in the bilayer and the HUGE molecules will have to perform exocytosis or endocytosis
How does salts enter the cell?
Salts are soluble. The phospholipid bilayer membrane of cell walls are permeable to water and thus allow water and water-soluble substances, like salts, diffuse through.
Is the lipid bilayer permeable to most water-soluble substances?
The lipid bilayer is impermeable to most water-soluble substances.The bilayer, most of which is a phospholipid bilayer, is permeable only to small, non-polar substances.In nature, the most common compounds to pass through the bilayer are carbon dioxide and oxygen.Scientists differ over how much water passes in and out of cells through the bilayer; some passes through special transport proteins called aquaporins.
Is glucose permeable or impermeable?
Glucose is permeable, meaning it can pass through cell membranes.
What can pass through the phospholipid bilayer?
Small, non-polar molecules like oxygen and carbon dioxide can pass through the phospholipid bilayer easily. Larger or charged molecules may need special transport proteins to help them cross.
Is the lipid bilayer permeable to most water soluble substances?
The lipid bilayer is impermeable to most water-soluble substances.The bilayer, most of which is a phospholipid bilayer, is permeable only to small, non-polar substances.In nature, the most common compounds to pass through the bilayer are carbon dioxide and oxygen.Scientists differ over how much water passes in and out of cells through the bilayer; some passes through special transport proteins called aquaporins.
What substance can pass through the lipid bilayer i.e. in between the phospholipid molecules?
Non-polar molecules, small polar molecules, and gases like oxygen and carbon dioxide can pass through the lipid bilayer passively due to its semi-permeable nature. These molecules can easily diffuse through the hydrophobic core of the membrane.
