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the cell membrane prevents all substance from entering the cell and leaving the cell true or false?

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12y ago
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10y ago

No it does not. It can't keep away ALL harmful substances. If that were the case, we wouldn't have so many of these certain illnesses.

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14y ago

No only ones with smaller pore sizes

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14y ago

yes

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Q: Does the plasma membrane allow all substances to pass into and out of the cell?
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What is The plasma membrane helps to maintain a cells what?

The plasma membrane helps to maintain homeostassi within the cell by allowing substances to move in and out of the cell the plasma membrane is used to maintain homeostasis within the cell by allowing substances to move in and out of the cell


What does the cell plasma membrane in the cell?

The plasma membrane is somewhat like a filter system.It regulates the entry and exit of substances in and out of the cell.


The process of allowing substances into and out of the cell is controlled by?

Plasma membrane


What cell structure is important in homeostasis?

It's the plasma membrane. This is because it acts like a gate regulating what can enter and leave the cell. If the plasma membrane did not exist the cell would die because it might take in something that could kill it.


What organelle moves substances across the cell in one direction?

The plasma membrane surrounding animal cells is where the exchange of substances inside and outside of cells takes place. Some substances need to move from the extracellular fluid outside cells to the inside of the cell, and some substances need to move from the inside of the cell to the extracellular fluid.Some of the proteins that are stuck in the plasma membrane help to form openings (channels) in the membrane. Through these channels, some substances such as hormones or ions are allowed to pass through. They either are "recognized" by a receptor (a protein molecule) within the cell membrane, or they attach to a carrier molecule, which is allowed through the channels. Because the plasma membrane is choosy about what substances can pass through it, it is said to be selectively permeable.

Related questions

What is The plasma membrane helps to maintain a cells what?

The plasma membrane helps to maintain homeostassi within the cell by allowing substances to move in and out of the cell the plasma membrane is used to maintain homeostasis within the cell by allowing substances to move in and out of the cell


What does the cell plasma membrane in the cell?

The plasma membrane is somewhat like a filter system.It regulates the entry and exit of substances in and out of the cell.


What does the plasma membrane do in the cell?

The plasma membrane is somewhat like a filter system.It regulates the entry and exit of substances in and out of the cell.


What does the plasma membrane in a cell do?

The plasma membrane is somewhat like a filter system.It regulates the entry and exit of substances in and out of the cell.


How do structures within cell allow the cell to be specialized?

The structures allow the cell to perform specific functions.


The process of allowing substances into and out of the cell is controlled by?

Plasma membrane


What does a plasma membrane protein do?

Helps substances move in and out of the cell


What is diffusion in a cell?

Diffusion is an impromptu process in which cells allow certain substances to pass the plasma membrane, and not use any energy to do so.


What cell structure is important in homeostasis?

It's the plasma membrane. This is because it acts like a gate regulating what can enter and leave the cell. If the plasma membrane did not exist the cell would die because it might take in something that could kill it.


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.


What organelle moves substances across the cell in one direction?

The plasma membrane surrounding animal cells is where the exchange of substances inside and outside of cells takes place. Some substances need to move from the extracellular fluid outside cells to the inside of the cell, and some substances need to move from the inside of the cell to the extracellular fluid.Some of the proteins that are stuck in the plasma membrane help to form openings (channels) in the membrane. Through these channels, some substances such as hormones or ions are allowed to pass through. They either are "recognized" by a receptor (a protein molecule) within the cell membrane, or they attach to a carrier molecule, which is allowed through the channels. Because the plasma membrane is choosy about what substances can pass through it, it is said to be selectively permeable.


Which part of a cell allows substances to pass through it?

The cell membrane, which encloses the cell, is a selective membrane which allows some molecules to pass and others not.