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Large molecules such as proteins, charged ions, and polar molecules have difficulty passing through the phospholipid bilayer due to its hydrophobic core. These molecules often require assistance from transport proteins or channels to facilitate their movement across the membrane.
What else can I help you with?
Can CO2 pass through the phospholipid bilayer?
oxygen
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.
Why cant water simply diffuse through the phospholipid bilayer?
Because there is a hydrophobic core in the phospholipid bilayer, it may be difficult for water molecules to pass through the membrane. Therefore, there are proteins that aid this process called aquaporins.
Can chlorine ions pass through the phospholipid bilayer of the plasma membrane?
Chlorine ions (Cl⁻) cannot easily pass through the phospholipid bilayer of the plasma membrane due to their charge and polarity. The hydrophobic interior of the bilayer acts as a barrier to charged particles. Instead, chlorine ions typically require specific ion channels or transport proteins to facilitate their movement across the membrane. These channels allow ions to bypass the lipid bilayer's hydrophobic core, enabling cellular processes that depend on ion transport.
What can pass through the bilayer with ease?
Molecules that are not polar or ion molecules. That is because they won't be stopped by the hydrophobic tails and they will have the acknowledgement to pass through the cell membrane thanks to little resistance. This makes those molecules have an advantage.
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 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 oxygen able to pass directly through the phospholipid bilayer?
Yes, oxygen molecules are small and nonpolar, allowing them to pass directly through the phospholipid bilayer of cells by simple diffusion. This is one of the reasons why oxygen can easily enter and exit cells to support cellular respiration.
What can cross the phospholipid bilayer?
Small, non-polar molecules like oxygen and carbon dioxide can easily cross the phospholipid bilayer of a cell membrane. Larger or charged molecules typically need the help of transport proteins to 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.
Why can't water pass through the phospholipids?
Water cannot pass through phospholipids because phospholipid molecules have hydrophobic tails that repel water molecules, preventing them from passing through the lipid bilayer.
How does the cell membranes relate to its function?
Cell membrane mainly consists of bilayer phospholipid which makes sure that nothing but water to pass through.
A hypothetical microbullet shot through a phospholipid bilayer would pass the components in which order?
The order in which a microbullet would pass through a phospholipid bilayer would be: hydrophobic fatty acid tails, hydrophilic phosphate heads, and then the second layer of hydrophobic fatty acid tails.
Why cant water simply diffuse through the phospholipid bilayer?
Because there is a hydrophobic core in the phospholipid bilayer, it may be difficult for water molecules to pass through the membrane. Therefore, there are proteins that aid this process called aquaporins.
Can chlorine ions pass through the phospholipid bilayer of the plasma membrane?
Chlorine ions (Cl⁻) cannot easily pass through the phospholipid bilayer of the plasma membrane due to their charge and polarity. The hydrophobic interior of the bilayer acts as a barrier to charged particles. Instead, chlorine ions typically require specific ion channels or transport proteins to facilitate their movement across the membrane. These channels allow ions to bypass the lipid bilayer's hydrophobic core, enabling cellular processes that depend on ion transport.
