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Na+-K+ ATPase

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Q: What prevents the Na plus and K plus gradients from dissipating?
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What prevents the NA and K gradients from dissipating?

The sodium-potassium pump actively maintains the concentration gradients of sodium and potassium ions by pumping 3 sodium ions out of the cell for every 2 potassium ions pumped into the cell. This pump is fueled by ATP, ensuring the gradients are constantly being restored. Additionally, the cell membrane is semi-permeable, allowing only selective movement of ions to help maintain the gradients.


What gradient moves Na plus into the cell during depolorization?

both the electrical and chemical gradients


Living cells maintain what by controlling materials that enter and leave?

gradients are an example. Electric gradients are controlled by the transport of Na+ and K+ and H+, etc.


What are spectator ions in Na plus plus OH- plus Cl- H2O plus Na plus plus Cl?

Na+ and Cl- are spectator ions.


Which membrane protein is responsible for restoring the original concentration of Na plus and K plus?

The sodium-potassium pump, also known as the Na+/K+-ATPase, is responsible for restoring the original concentration of sodium and potassium ions across the cell membrane. This pump actively transports three sodium ions out of the cell in exchange for two potassium ions pumped into the cell, using ATP energy to maintain the concentration gradients.


Is Na or Na plus bigger?

Na+is bigger


What is the complete ionic equation for NaOHaq plus HCIaq equals H2OI plus NaCIaq?

Na+ plus OH- plus H+ equals H2O plus Na+ plus Cl-


Does Na plus Na K or K plus have the largest radius?

The neutral atom of potassium has the largest radius.


H plus Cl- plus Na plus OH- Na plus Cl- plus H2O is?

Hydrochloric acid and sodium hydroxide yield salt and water H+ + Cl- + Na+ + OH- --> Na+ + Cl- + H2OComment:In solutions you better leave unchanged ions ( Cl- and Na+) out of the balanced equation: called to be 'tribune ions' (people on the tribune don't take part in the 'match'):H+ + OH- --> H2O This looks simpler than: H+ + Cl - + Na + + OH- --> Na + + Cl - + H2O


What is the net ionic equation of Na plus plus OH- plus H plus plus Cl- H2O plus Na plus plus Cl-?

The net ionic equation for the given reaction is H+ (aq) + OH- (aq) → H2O (l)


NA plus ions enter cells by?

binding to Na+ carrier proteins


Which channel maintains the concentration gradients of ions across a neuronal membrane?

Ion channels, such as sodium-potassium pumps, help maintain concentration gradients of ions across a neuronal membrane. These channels actively transport ions across the membrane, moving them against their concentration gradients to establish and regulate the resting membrane potential.