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Why is it important to allow water oxygen and carbon dioxide to diffuse through a cell membrane?
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Why is it important that a cell membrane does not allow all dissolved substances to diffuse freely through it?
magnets
Why do sugar molecules not diffuse through a plant cell membrane?
The membrane is semi-permeable. Sugar molecules are too large to diffuse through.
In Osmosis does salt diffuse through a membrane?
Yes
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.
What characteristics is more likely to make a substance diffuse through the cell membrane?
Size. Actually very few substances are able to diffuse across the menbrane, most must be transported ie facilitated diffusion, active transport, or receptor-mediated endocytosis. Carbon dioxide, oxygen, water, and some lipid substances are able to diffuse across the membrane
What substance will diffuse through a membrane?
The three substances that can diffuse through a cell membrane are CO2, O2, AND H2O.
How do you resive oxygen and remove carbon dioxide?
Oxygen and carbon dioxide are moved to and from body tissues via the circulatory system. These materials diffuse through the cell membrane, and then diffuse through the capillary wall into or out of the bloodstream.
Which substances did not diffuse the membrane?
starch doesnt diffuse through the dialysis membrane.
Why is it important that a cell membrane does not allow all dissolved substances to diffuse freely through it?
magnets
Why do sugar molecules not diffuse through a plant cell membrane?
The membrane is semi-permeable. Sugar molecules are too large to diffuse through.
Which substance did not diffused through the membrane?
starch doesnt diffuse through the dialysis membrane.
What will not diffuse through the cell membrane?
Glucose
Why can carbon dioxide move easily through a membrane?
Carbon dioxide is a relatively small molecule, and can diffuse through semi-permeable membranes easily, providing that it moves down a higher concentration gradient.
What does not freely diffuse through the plasma membrane?
glucose
Does oxygen diffuse through a semipermable membrane?
yes
In Osmosis does salt diffuse through a membrane?
Yes
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.
