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On which side of the membrane are Na ions realeased from the pump?
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∙ 13y ago
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∙ 13y ago
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Which arrangement of hydrogen ions allows work to be done?
In order for hydrogen ions to do work , their concentration on each side of the membrane must be different. When the concentrations are the same the system is at equilibrium and can not do work.
When one side of the membrane has a higher concentration of particles then the other side of the membrane what happens?
osmosis
What type of ions do elements on the right side of the periodic table form?
cations = positively charged ions
How does water move in osmosis?
Osmosis moves a solvent (eg water) to balance the concentrations of solute either side of a semipermeable membrane. The solvent is not lost.If the concentration of a solution is higher on one side of the membrane than the other, then the water moves across the membrane from the less concentrated side to the more concentrated side to dilute it until the concentrations on either side are equal.
How stomata reacts with water?
When light hits the stomata it activates photosynthetic K+ pumps. These cells pump potassium ions into the guards cell around the stomata. Water is attracted to the potassium ions and thus enters the guards cells. This causes the guard cells to swell, but the rigidity of the one side causes that side to bow inwards, this creates an opening for gases to exchange in the leaf. This opening is the stomata. When water is not present, the stomata will not open.
Is the Sodium Potassium pump located on the apical membrane?
Sodium Potassium pumps are located on your body cells. This pump is used as a type of active transport to let these ions into and out of your cell.
How does a cell maintain differences in concentration of certain ions on either side of the plasma membrane?
Cells maintain unequal concentrations of ions on opposite sides of a cell membrane through active transport.
Animal cell membranes pump calcium ions out of cells and potassium ions into cell?
there are certain pumps located in membrane which transfer three sodium ions outside for each two potassium ions inside and this pump bind three sodium ions at one side where two potassium at other and is activated by the splitting of ATP catalysed by ATPase in nonstimulated nephron.
What does the difference in the K and Na concentration on either side of the plasma membrane (and permeability of the membrane to those ions) generate?
Resting membrane Potential
What does the difference in the K and Na concentration on either side of the plasma membrane and permeability of the membrane to those ions generate?
resting membrane potential
What is true of ions and their transport across cell membranes?
electrical or chemical signals may control the movement of ions across cell membrane
What drives diffusion?
Diffusion is the movement of ions and other micro molecules across a barrier or membrane. Diffusion is caused by gradients on either side of the membrane.
Why are ion channels needed?
To alter the concentrations of various types of ions on either side of a cell membrane.
What consume ATP when transferring solutes form one side to the other side of the plasma membrane?
pump
When the proteins of the pump are first synthesized in the rough ER what side of the ER membrane will the ATP binding side be on?
It is on the cytoplasmic side of the endoplasmic reticulum
Which arrangement of hydrogen ions allows work to be done?
In order for hydrogen ions to do work , their concentration on each side of the membrane must be different. When the concentrations are the same the system is at equilibrium and can not do work.
What causes the H ions in the intermembrane space space to move through the channels in the membrane and out into the matrix?
The energy of the high energy molecules used for every time 2 high energy electrons move down the chain causes the H+ ions to move to the matrix.
