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permeabiity
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Which feature of a membrane describes molecules whether can cross the membrane?
permeability
Which feature of a memebrane describes whether molecules can cross the membrane?
permeability
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 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.
Which molecule of a membrane describes whether molecules can cross the membrane?
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.
Which feature of a cell membrane determines whether molecules can cross the membrane?
They must either be lipid soluble (e.g. steroids) or very small (e.g. ions).
What is a factor that determines whether a molecules can cross a cell membrane?
mass
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 is a factor that determies whether a mole can cross a cell membrane?
Lipid solubility determines if it will diffuse across. The presence of specific protein carrier molecules determines if it will be transported across the membrane.
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.
