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permeability
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What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
What feature of a membrane describes whether molecule can cross the membrane?
permeabiity
Which feature of a membrane describes molecules whether can cross the membrane?
permeability
What feature of membrane describes whether molecules can cross the membrane?
permeabiity
Which feature of a memebrane describes whether molecules can cross the membrane?
permeability
Does the size or the speed of a molecule determines whether it can pass through the pores of a membrane?
The speed doesn't necessarily determine the permeability, but the size does. Smaller molecules such as O2 can easily enter the cell while CO2 leaves the cell. There are other criteria that also determines whether a molecule can pass through the plasma membrane such as its solubility. Fat soluble molecules such as steroids can easily pass through the membrane.
Which cell feature of a membrane describes whether molecules can cross the membrane?
The cell feature that determines whether molecules can cross the membrane is its selectively permeable nature. This property allows the membrane to control the passage of substances based on factors such as size, polarity, and charge. Membrane proteins also play a crucial role in facilitating or restricting the movement of specific molecules across the lipid bilayer.
What are two factors that determine whether or not molecules can pass through a selectively permeable membrane?
One factor is the channel of the molecule, without them the ions and polar molecules would not be able to pass across. Another factor is the size of the molecule, they determine how fast it will defuse.
Which is a factor that determines wheathe a molecule can cross a cell membrane?
A key factor that determines whether a molecule can cross a cell membrane is its size and polarity. Small, nonpolar molecules, such as oxygen and carbon dioxide, can easily pass through the lipid bilayer, while larger or polar molecules often require specific transport proteins to facilitate their movement. Additionally, the concentration gradient and the presence of channels or carriers also influence a molecule's ability to cross the membrane.
What best determines whether a molecule crosses a cell membrane?
The ability of a molecule to cross a cell membrane is primarily determined by its size, polarity, and charge. Small, nonpolar molecules, such as oxygen and carbon dioxide, can easily diffuse through the lipid bilayer. In contrast, larger or polar molecules often require specific transport proteins or channels to facilitate their passage. Additionally, the concentration gradient and the presence of membrane proteins can further influence a molecule's permeability.
What feature of a membrane describes weather molecules can cross the membrane?
The feature of a membrane that determines whether molecules can cross is its selective permeability. This characteristic arises from the lipid bilayer structure, which allows certain small, nonpolar molecules to pass through freely while restricting larger, polar, or charged molecules. Additionally, specific transport proteins facilitate the movement of these restricted molecules across the membrane, either passively or actively. Thus, the composition and arrangement of the membrane's components play a crucial role in regulating molecular transport.
What is a factor that determines whether a molecules can cross a cell membrane?
mass
