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What mechanism does a cell use to move these small potassium molecules into the cell against the concentration gradien?
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Is diffusion an active mechanism?
False
Which way do molecules move during active transport?
hii friends?? hws life?? i think acitve transport moves molecules throught the speed of light and it needs blood and carbon dioxide to go through this process!!! Good luck people who need this answer bye!!! by: gabriel
In which type of process do substances move down their concentration gradient across the membrane?
Active transport is a process that removes substances from a cell against the concentration gradient. The molecules move from low concentration to high concentration during this process.
What is water uptake at the roots?
water uptake at the roots is called osmosis,this is the movement of water molecules from a region of lower concentration to a region of higher concentration against concentration gradient
What type of transport requires energy to move molecules from an area with low concentration to an area of high concentration?
Active transport is needed to move molecules from an area of low concentration to an area of higher concentration against their concentration gradient. ATP is used as the power source.
What mechanism does a cell use to move the small potassium molecules into the cell against the concentration gradient?
active transport BY PROTEINS
What mechanism does cell use to move small potassium molecules into the cell against the concentration gradient?
active transport BY PROTEINS
What mechanism doe a cell use to move small potassium molecules into the cell against the concentration gradient?
active transport BY PROTEINS
What is the active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient.?
sodium-potassium pump
Is diffusion an active mechanism?
False
How do small molecules get through the cell membrane against a concentration?
How do small molecules get through a cell membrane
Why does active transport require more energy than osmosis or faciliated diffusion?
It is because during active transport, the molecules are being transported against and toward the concentration gradient whereas in diffusion, the molecules go from the concentration gradient.
Which process uses proteins to move molecules against a concentration gradients?
active transport
What mechanism does a cell use to move small potassium molecules into the cell against the concentration gradient?
To transport any molecules against a concentration gradient, ATP is required. This process is called active transport. Active transport is enabled by carrier proteins which are located in the cell membrane. To transport charged molecules through the membrane, pore proteins are required.
How can molecules move without diffusion or osmosis?
Apart from osmosis and diffusion the major mechanism for individual molecules to move is by active transport. Active transport is the movement of molecules against their concentration gradient (from a low to a high concentration) using energy supplied by the cell. It differs from diffusion which can only work down a concentration gradient ie from a high concentration to a low concentration. It also needs a source of energy supplied by a living cell, which is not needed for difusion. In cells, energy for active transport is supplied by respiration. See http://www.bbc.co.uk/schools/gcsebitesize/biology/cellprocesses/2diffusionandosmosisrev1.shtml
Does active transport result in an even distribution of molecules?
No. Active transport uses energy to transport specific molecules against a concentration gradient. Passive transport will result in an even distribution of molecules because they allow molecules to move down a concentration gradient.
Which way do molecules move during active transport?
hii friends?? hws life?? i think acitve transport moves molecules throught the speed of light and it needs blood and carbon dioxide to go through this process!!! Good luck people who need this answer bye!!! by: gabriel
