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What type of molecules can permeate the plasma membrane?

Any molecule smaller than the holes in the membrane can pass through is the membrane is permeable. If the membrane is semi-permeable, then only molecules that the membrane selects can pass through. Electronegativity and existence of lipid layers are common selective traits for semi-permeable membranes.


What type of compound would easily diffuse into the cell?

Small, nonpolar molecules such as oxygen and carbon dioxide can easily diffuse into the cell membrane due to their ability to pass through the lipid bilayer. Hydrophobic compounds also diffuse across the membrane more readily than hydrophilic compounds.


What substance is most likely to passively diffuse across the plasma membrane by dissolving in the membrane?

Nonpolar molecules like lipid-soluble substances (e.g., steroid hormones, oxygen, and carbon dioxide) are most likely to passively diffuse across the plasma membrane by dissolving in the lipid bilayer. This type of diffusion does not require a specific transport protein and can occur directly through the phospholipid bilayer due to the molecules' hydrophobic nature.


What goes through the cell membrane?

Small non-polar molecules like oxygen and carbon dioxide, as well as small uncharged polar molecules like water, can diffuse through the cell membrane. Larger polar molecules and ions typically require protein channels or transporters to pass through the cell membrane.


What substances easily diffuse a class of cell membrane?

Lipid-soluble substances, such as oxygen, carbon dioxide, and small non-polar molecules, easily diffuse across the cell membrane. These substances can pass through the lipid bilayer of the membrane without the need for specific transport proteins.

Related Questions

How do you use diffuse in sentence?

Oxygen molecules diffuse across the membrane.


What substance will diffuse through a membrane?

Substances that are small, nonpolar, and uncharged will diffuse through a membrane easily. This includes gases like oxygen and carbon dioxide, as well as small lipophilic molecules. Larger or charged molecules may require assistance from transport proteins to cross the membrane.


What explains why oxygen molecules diffuse across a cell membrane while glucose molecules do not?

Glucose is too big to pass through.


Does oxygen diffuse through a semipermable membrane?

yes


Molecules that can diffuse across the membrane?

Small, nonpolar molecules like oxygen, carbon dioxide, and ethanol can easily diffuse across the cell membrane due to their ability to pass through the lipid bilayer. Water can also diffuse across the membrane, albeit at a slower rate, through specialized channels called aquaporins.


What types of molecules can diffuse through the cell membrane without using a channel protein?

Small, non-polar molecules like oxygen, carbon dioxide, and water can diffuse through the cell membrane without the need for a channel protein. Their small size and non-polar nature allow them to passively pass through the lipid bilayer of the membrane.


What part of the lung do oxygen molecules diffuse across into the bloodstream?

Oxygen molecules diffuse across the alveolar membrane in the lungs into the bloodstream. This is where gas exchange occurs, with oxygen moving from the alveoli into capillaries surrounding the alveoli.


What type of molecules can permeate the plasma membrane?

Any molecule smaller than the holes in the membrane can pass through is the membrane is permeable. If the membrane is semi-permeable, then only molecules that the membrane selects can pass through. Electronegativity and existence of lipid layers are common selective traits for semi-permeable membranes.


What is an example of molecules that diffuses into a cell?

water


What molecule is able to easily diffuse across the cell's membrane?

Carbon dioxide, oxygen and some nonpolar molecules diffuse easily.


What type of compound would easily diffuse into the cell?

Small, nonpolar molecules such as oxygen and carbon dioxide can easily diffuse into the cell membrane due to their ability to pass through the lipid bilayer. Hydrophobic compounds also diffuse across the membrane more readily than hydrophilic compounds.


What particles could diffuse easily through a cell membrane sodium and oxygen?

Oxygen (O2)