0
The degree in which materials are able to flow freely through a cells membrane is known as?
Wiki User
∙ 14y ago
study island : permibility
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoperemeablitiy
Add your answer:
Earn +20 pts
What Substances that can freely dissolve through the plasma membrane are made of?
Substances that can freely pass through the plasma membrane must be small and non-polar.
The nuclear membrane is allowing materials to pass through?
A cell controls what moves through the membrane by means of membrane proteins embedded in the phospholipid bilayer.The things that can easily move in and out of the cell through the membrane are gases, like oxygen and carbon dioxide, and water.
Which molecues cross the membrane of a cell easily and which do not?
Non-polar molecules (such as fatty acids, steroid hormones and O2) pass freely through the cell membrane. Small uncharged molecules (such as H2O) also pass freely, but are slower. Large, polar molecules and ions (such as Na+ and K+) do not pass freely. Macromolecules (such as proteins and polysaccharides) do not pass through the cell membrane. Molecules and ions that cannot pass freely through the cell membrane rely on other means, such as protein transporters, to move in to the cell.
Why is it important that a cell membrane does not allow all dissolved substances to diffuse freely through it?
magnets
What substance is most likely to passively diffuse across the plasma membrane by dissolving in the membrane?
Lipid-soluble molecules such as O2 and CO2 diffuse freely through the plasma membrane.
Definition of freely permeable membrane?
freely permiable membrane allows everything to pass through.
What Substances that can freely dissolve through the plasma membrane are made of?
Substances that can freely pass through the plasma membrane must be small and non-polar.
What does not freely diffuse through the plasma membrane?
glucose
The nuclear membrane is allowing materials to pass through?
A cell controls what moves through the membrane by means of membrane proteins embedded in the phospholipid bilayer.The things that can easily move in and out of the cell through the membrane are gases, like oxygen and carbon dioxide, and water.
How cell membrane are selectively permeable?
The membrane is selectively permeable because it has specific instructions on what the membrane can allow through based on the How_is_the_cell_membrane_semi_or_selectively_permeable, size, and ionization of the particle.
Negative charges do not flow freely through these materials?
Insulators
What is made from lipids and diffuse freely into cells through the plasma membrane?
protiens
How do things get thourgh a cell membrane?
There are various ways that things can get through the cell membrane. It will depend on the type of particle (size, charge, etc.). Non-polar molecules, such as fatty acids, pass freely through the membrane. Small, uncharged molecules, such as water, also pass freely. Large polar molecules and ions, such as K+ , and macromolecules, such as proteins, so not pass freely through the membrane. They must go through protein channels, pores, etc.
What is the semipermeable membrane?
The cytoplasm of a cell is surrounded by a cell membrane or plasma membrane. The membrane is said to be 'semi-permeable', in that it can either let a substance pass through freely, pass through to a limited extent or not pass through at all.the membrane is somewhat effective at letting fluids through
Which molecues cross the membrane of a cell easily and which do not?
Non-polar molecules (such as fatty acids, steroid hormones and O2) pass freely through the cell membrane. Small uncharged molecules (such as H2O) also pass freely, but are slower. Large, polar molecules and ions (such as Na+ and K+) do not pass freely. Macromolecules (such as proteins and polysaccharides) do not pass through the cell membrane. Molecules and ions that cannot pass freely through the cell membrane rely on other means, such as protein transporters, to move in to the cell.
Why is it important that a cell membrane does not allow all dissolved substances to diffuse freely through it?
magnets
Materials that allow the charges of an current to move freely through them are called?
conductors
