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It is better for the cell if most molecules are prevented from entering.

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12y ago
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11y ago

It avoids the entry of unnecessary substances into cell.It is important in protection too.

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6y ago
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9y ago

Cell membrane is a living , thin, delicate, elastic. it is about 7 nm thick. so this structure of cell membrane helps it with being permeable.

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Q: A cell membrane is very specific about what it allows across. How does this help the cell?
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A cell membrane is a very specific about what it allows across. how does this help the cell?

The cell works better…


A cell membrane is very specific about what it allow across. how does this help a cell?

The cell works better…


Yard is to fence as cell is to?

Yard is to fence as cell is to membrane. Just like a fence surrounds a yard and allows certain objects in and out, a membrane surrounds the cell and only allows specific nutrients inside of it.


What only allows certain substances in and out of a cell?

The permeability of the cell membrane controls which substances may pass in or out of the cell.


Which part allows or prevents substances to go into and out of the cell?

The cell membrane acts as the barrier and transport proteins present in the membrane, such as globular proteins, transport molecules across cell membranes.


Is the plasma membrane of a cell selectively permeable?

Yes, it is selective about the compounds and molecules it allows across the membrane.


What allows nutrients and oxygen to pass into body cells?

diffusion; across a partially permeable membrane, down a ceoncentration gradient


What of a cell allows material to enter and exit the cell?

Which statements describe the cell membrane? Check all that apply. It only allows certain materials to leave the cell. It allows all materials to leave the cell. It only allows certain materials to enter the cell. It allows all materials to enter the cell. It helps the cell get rid of waste. It brings waste into the cell for storage.


What use energy to pick up specific molecules and carry them across the cell membrane?

Why must you do this. WHY


In what type of passive cell membrane transport do carrier proteins combine with specific molecules to assist them across the membrane?

Facilitated Diffusion


What part of the animal cell allows things to go in and out of the cell?

The answer is the Cell MembraneThe answer is the Cell Membrane


What does the cell membrane do in a cell?

The cell membrane allows substances in and out of the cell and is a crucial part of homeostasis