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Oxygen, O2, is a small enough molecule that it diffuses diwn it's concentration gradient into the cell and rather easily foes through the plasma membrane. Many small molecules can do this.

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12y ago

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What substances easily pass through the plasma membrane?

oxygen


Why can oxygen easily cross the plasma membrane but sodium ions are unable to cross the plasma membrane?

Oxygen is a small, nonpolar molecule that can cross the plasma membrane via simple diffusion. Sodium ions, on the other hand, are charged and larger molecules that cannot easily pass through the hydrophobic interior of the plasma membrane. Sodium must rely on specific transport proteins like ion channels or pumps to cross the membrane.


What process does oxygen and carbon dioxide use to cross the plasma membrane?

diffusion


What membrane of the red cell will allow water oxygen carbon dioxide and glucose to pass through?

Plasma membrane


How does nutrients enter a cell?

The plasma membrane.


Another name for plasma membrane?

A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.


How does oxygen crosses the plasma membrane if thr concentration of oxygen is lower inside the cell than it is outside the cell?

Oxygen crosses the plasma membrane through passive diffusion, moving from an area of higher concentration (outside the cell) to an area of lower concentration (inside the cell). This process occurs due to the concentration gradient and the lipid nature of the plasma membrane, which allows small, nonpolar molecules like oxygen to pass through easily.


The passively diffuses oxygen and carbon dioxide in and out of the cell. cell wall plasma membrane nucleus protoplasm?

The plasma membrane is responsible for the passive diffusion of oxygen and carbon dioxide into and out of the cell. It regulates the movement of molecules in and out of the cell, allowing for gas exchange.


Oxygen crosses the plasma membrane by?

simple diffusion. Oxygen is a small, nonpolar molecule that can pass freely through the lipid bilayer of the plasma membrane. This process does not require energy and is driven by the concentration gradient of oxygen on either side of the membrane.


How is the plasma membrane of the liver cell?

plasma membrane


What membrane serves as the boundary between the cell and its environment allows materials such as oxygen and nutrients to enter and waste products to leave?

The Plasma membrane.


What is another name for the cell membrane that starts with P and is six letters long?

The cell membrane is also called the plasma membrane.