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Answered 2014-12-17 22:49:47

Phospholipids are a structural component of the environment

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Does iPhone have cell membrane?

I assume that by "Cell Membrane," you mean a lipid bi-layer that makes the cell membrane of micro-organisms. If that is what you mean, the iPhone does not have a cell membrane. There are not any lipid bi-layers anywhere in or around the iPhone.


What does it mean to say that the cell membrane is semipermeable?

It means that the cell membrane, which is composed of phospholipid bilayer, cholesterol, glycoprotein, glycolipid, intrinsic proteins and extrinsic proteins, only allows certain molecules to pass through. These molecules include small, non-polar molecules. Polar molecules are unable to pass through the phospholipid bilayer (cell membrane) because they are repelled by the hydrophobic core of the cell. Large molecules are unable to pass through the cell membrane due to the tight packing of the phospholipid bilayer. Sometimes, small polar molecules are able to pass through the phospholipid bilayer because of the transient pores that form. Hence, due to the fact that the cell membrane controls what moves in and out of the cell, it is termed as partially permeable (semi-permeable).


What does it mean for a phospholipid membrane to be selectively permeable?

It only let's some materials pass in and out.


What does membrane-bound mean?

Everything is within a membrane. A membrane bound cell is a cell that is enclosed by a membrane.


What do cytoplasm membrane do?

If you mean the cell membrane, it keeps lets things in and out of the cell.


What does cell memebrane mean?

it is a cell membrane


What does it mean for the cell membrane to be a highly selective barrier?

This means that the cell membrane will only let certain select items through the cell membrane, such as water.


What does it mean if a cell membrane is selectively permiable?

The cell membrane only allows certain molecules through.


What does it mean to say the cell membrane is selectively permeable?

A cell membrane is selectively permeable, often referred to as being semi-permeable because it only allows specific substances to enter the cell, and keeps others out.This means that the cell membrane will allow certain molecules, but not others, through the cell. Small molecules can fit through the phospholipid bilayer passively (without requiring energy) and do not require any help to pass through the membrane. Other molecules (specifically large or polar ones) are not immediately permitted through the membrane and require active transport (using energy)


What kind of cell is a memebrane bound structure?

Every cell is made up of cell membrane. If you mean what cell has a membrane bound structure then it's eukaryotic cell.


What is membrance?

Did you mean remembrance or membrane? Remembrance is when you remember someone or something, the act of remembering. Some people shorten it to "membrance". A membrane is a thin barrier or layer that hold particles together within the cell and protects them.


What does it mean that the cell membrane is selectively permeable?

Because plasma membrane allows only certain solute to move into the cell and outside the cell


Is the cell membrane in a animal cell the same as the cell membrane in a plant cell?

No, even though they do the same thing it doesn't mean that they are the same. The animal cell isn't the same as the plant cell.


What does it mean to for the cell membrane to be selectively permeable?

This means that the membrane of the cell will only allow certain molecules or ions to pass through it. Basically the membrane is necessary in order to protect the cell from its surroundings.


What does cell membrane mean in a plant?

controls the movement of substances into and out of the cell. Avios


What does it mean when cell membrane is selectively permeable?

It means that it can control what goes in, and out of the cell.


A barrier between the inside of a cell and its environment?

If you mean something that surrounds the cell, it is the cell membrane


Where is the nuclear membrane found?

Assuming by nuclear membrane, you mean the membrane that surrounds the nucleus of cells, then nuclear membrane are found keeping the tidbits of cell nuclei together in the middle of the cytoplasm of the cell.


What does it mean when you say the cell membrane is semi permeable?

It means that the cell membrane allows some substances to pass through it, but not others.


What does cell membrane mean and the function?

A cell membrane is like gate keeper because it needs to know that what substances enter or leave.


Which cell mitochondria and cell membranes be?

if you mean in the inside of the cell mitochondria: floating in the cytoplasm Cell membrane on the outside of the cell


What does it mean cell membrane is semi permeable?

The membrane is very specific about what it allows to pass through.


Is the gram reaction due to the outer membrane?

If by outer membrane you mean cell wall, then yes.


What does membrane bound organelles mean?

Organelles are specialised subunits inside a cell that perform specific tasks. Membrane-bound means that they are closed off from the rest of the cell by a membrane.


What dose it mean for a cell membrane to be selectively permeable?

The cell membrane will only allow certain molecules access. For example, glucose molecules are too large to pass through the cell membrane without undergoing endocytosis, but water molecules can easily pass through the cell membrane.