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Simplest answer would be to maintain cellular homeostasis. Another example would be to keep the cell's internal structure isotonic to the exterior structure. Transport of materials over the cellular membrane is the origin of all cellular functions, as the cell needs those substances in order to trigger its various functions.
It depends on the substance being transported. Is it a lipid, carb, or a protein? Rephrase the question to be more specific.
Wiki User
∙ 14y ago
Wiki User
∙ 10y agoThe cell membrane is made up of proteins and a phospholipid bilayer with semipermeability (selectively permeable membrane), a membrane that will allow certain molecules to pass through by diffusion or facilitated diffusion- some molecules need a transport protein to get across the membrane. Large molecules, cations, and anions (charged molecules) cannot get across by themselves. They will need a passive (without ATP) or facilitated (with ATP) transport in order to get across.
Wiki User
∙ 11y agoCells need to take in food and other nutrients from the blood to survive. Cells also need to expel wastes into the blood. The also need to maintain water balance by means of osmosis.
Wiki User
∙ 11y agoTo maintain homeostasis
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How atom and molecules are important to cell processes explain?
why atom and molecules are important to cell processes explain
What factors control passage of molecules in and out of cell?
Transport control factors.
How do most molecules cross the cell membrane?
Diffusion or if the molecules are too large they go through the transport proteins.
What is important to transport within the cell?
genetics!
What kind of molecules are moved in active transport?
Active transport requires energy, unlike passive transport. The carrier proteins in active transport act as a "pump" ( fueled by ATP) to carry/attach themselfves to useful proteins for the cell.
What type of transport is it when gluclose molecules move into a cell?
passive. any transport that is diffusion to get into a cell is passive.
Lipoproteins are important for?
Lipoproteins are used to transport lipids in the body. They are also integral parts of cell membranes and transporter molecules.
What are proteins found in cell membranes that transport large molecules?
carrier molecules
Function of the cell membrane of a cell?
The transport of molecules into and out of the cell through osmosis and diffusion
What are the two main kinds of movement that happens into and out of the cell?
Ions and molecules move into and out of the cell by two main methods:Passive transport does not require any energy. Molecules wither diffuse into the cell or enter the cell via transporter proteins located on the cell membrane.Active transport requires the use of ATP molecules to move ions or molecules into and out of the cell.
Which part of the cell surrounds the cell and allows molecules in and?
The cell membrane is the thing that surrounds the cell. The cell membrane contains proteins that allow active transport of molecules in and out of the cell.
How are diffusion and active transport similar?
Both serve to transport molecules across cell membranes and both make use of proteins embedded in cell membrane in order to move these molecules.
What are the protein molecules in a cell membrane that assist in cell transport?
Protein molecules are responsible for membrane transport. In passive transport diffusion is the phenomenon in which molecules flow naturally from areas of high concentration to lower concentrations.
How atom and molecules are important to cell processes explain?
why atom and molecules are important to cell processes explain
How are active transport and facilitated diffusion similar?
Both serve to transport molecules across cell membranes and both make use of proteins embedded in cell membrane in order to move these molecules.
What particles move through cell membrane between phospholipid molecules What transport?
Osmosis, Passive Transport, and Active Transport
Why do cell need transport proteins to functions?
Some molecules are too large to pass through the cell membrane without transport proteins.
