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Why do cell need to use transport proteins to function?

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2014-11-24 15:10:22
2014-11-24 15:10:22

What part of the membrane helps chemical reac

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Some molecules are too large to pass through the cell membrane without transport proteins.


Carbohydrates cannot pass directly through the cell membrane. some important molecules are too large to pass through the cell membrane


To make proteins so the cell can function.


Large molecules, such as glucose, are not able to pass through the cell membrane. Therefore proteins are needed to transport them across.


Transport proteins allow nutrients to enter and leave cells. Transport proteins are peppered throughout the cell membrane. Most molecules need the transport proteins to enter or leave the cell, but it's possible for some molecules, like water, to diffuse through the membrane by osmosis.


it is much of the structure of cells is made up of proteinsProteins form parts of cell membranesThey also make up organelles within the cellthis is preety much i got sorryThe function of protein in the cell is:-protein need to build the cell membrane.


Other proteins support cell functions and are found embedded in membranes. Proteins even make up most of your hair. When a cell needs to make proteins, it looks for ribosomes.


Nope, simple diffusion does not need transport proteins!


They help make proteins and the cell needs it to get the protein it actually needs



Active transport is important for cell function as, various activities keep taking place such as manufacture of protein, fat, etc. For all these activities raw materials are needed which need to be transported to the various cell organelles. Also, the waste products too need to be transported out of the cell body.


No, the cell would not be able to function without a nucleolus for it creates the RNA for ribosomes. As ribosomes give the cell proteins, the cell couldn't survive without them, and you need a nucleolus to have ribosomes.


Actually, bilipid "heads" form the layers of the membrane, but there are carrier proteins that transport objects into and out of the cells. These carrier proteins use either active or passive transport to get objects across the membrane. Active transport uses energy, while passive transport doesn't need to use energy to get items across. Hope this helps!!!


The passive transport supplies a cell with glucose. A passive transport is the diffusion of particles through the proteins. The particles move from an area of high concentration to an area of low concentration. The cell does not need to use any energy to make this happen. Whereas, an active transport is the movement of particles through proteins against the normal direction of diffusion. Particles are moved from an area of low concentration to an area of high ATP, which stores energy in a form that cells can sure. Therefore, the passive cell transport supplies a cell with glucose.


Cells need proteins to repair your muscle tissues.


Protiens have the main function in the cell membranes to transport materials in and out of the cell (because some of the substances are not to cross the lipid bilayer as they are not lipophyllic molecules so they need active or passive transporters to help them to pass through and enter the cellular environment). So proteins can be as pupms or channels or even ligand binding receptors.. Carbohydrates are used to make the cell ridged and also they are very important to provide the cells with ATP (energy sources.


The 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.


A vesicle is the mode of transport for proteins to go where they need to go. The protein is packaged into a vesicle at the endoplasmic reticulum, and is brought to the Golgi apparatus or elsewhere in the cell.


because those that can't get through the membrane by themselves can get help. transport proteins give them a ride through the membrane. different transport proteins make it easier for certain molecules to get through the membrane without cell using energy


No, it does NOT use ATP. It is one form of 'passive transport' of molecules into a cell. Facilitated diffusion doesn't need energy, but it uses specific proteins to transport only specific molecules into a cell, blocking out other items that cannot fit.



Almost every essential function in humans is carried out by proteins; all humans need proteins.


RNA and DNA are nucleus acids witch help the procedure to create proteins, in the human body, cause the human body with out proteins can't function.(For instance grow a tooth.)


thanks to: Bobama 08. question: what transport supplies a cell with glucose? answer: The passive transport supplies a cell with glucose. A passive transport is the diffusion of particles through the proteins. The particles move from an area of high concentration to an area of low concentration. The cell does not need to use any energy to make this happen. Whereas, an active transport is the movement of particles through proteins against the normal direction of diffusion. Particles are moved from an area of low concentration to an area of high concentration. The cell must use energy to make this happen. This energy comes from the molecule ATP, which stores energy in a form that cells can use. Therefore, the passive cell transport supplies a cell with glucose.


Active transport occurs as a way for the cell to get rid of molecules it doesn't need. Active transport is done using energy from the cell.



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