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Membrane proteins called pumps use energy to move hydrogen ions to one side of the membrane. Which term describes the difference between the numbers of hydrogen ions on opposite sides of the membrane?

The term that describes the difference in the number of hydrogen ions on opposite sides of the membrane is "proton gradient." This gradient is a form of electrochemical gradient that results from the active transport of hydrogen ions (protons) by pumps, creating a difference in concentration and charge across the membrane. This gradient is essential for various cellular processes, including ATP production through chemiosmosis.


What type of transport do the hydrogen ion pumps use?

Hydrogen ion pumps primarily use active transport to move hydrogen ions (H+) across a membrane against their concentration gradient. This process requires energy, typically derived from ATP hydrolysis or, in some cases, from the electrochemical gradient of other ions. Active transport allows these pumps to maintain specific ion concentrations essential for various cellular functions, including pH regulation and membrane potential.


What is the function of the proton pumps in the thylakoid membranes?

Proton pumps in the thylakoid membranes of chloroplasts create a proton gradient by pumping H+ ions from the stroma into the thylakoid lumen during photosynthesis. This gradient is utilized by ATP synthase to produce ATP through chemiosmosis.


Hydrogen ions move from the outer to the inner compartment of the mitochondria through what molecule?

Hydrogen ions move from the outer to the inner compartment of the mitochondria through the enzyme ATP synthase, which is embedded in the inner membrane. This movement of hydrogen ions creates an electrochemical gradient that drives ATP production.


Which type of cell transport is used by mitochondria to make hydrogen ions move against their concentration gradient?

Mitochondria utilize active transport to move hydrogen ions (protons) against their concentration gradient. This process primarily occurs during oxidative phosphorylation, where the electron transport chain pumps protons from the mitochondrial matrix into the intermembrane space. This creates a proton gradient, which is subsequently used by ATP synthase to generate ATP as protons flow back into the matrix.

Related Questions

Hydrogen pumps move hydrogen ions into which structure?

The thylakoid


Where do hydrogen pumps move hydrogen ions in what structure?

Hydrogen pumps, such as the hydrogen potassium ATPase pump, move hydrogen ions across the cell membrane, typically from the cytoplasm to the extracellular space or from the extracellular space to the cytoplasm. This movement helps maintain pH balance and electrochemical gradients essential for various cellular functions.


Which substances are transported across the cell membrane by ATP requiring transport pumps?

Substances such as ions like sodium, potassium, calcium, and hydrogen are transported across the cell membrane by ATP requiring transport pumps. These pumps consume ATP energy to move ions against their concentration gradient.


Membrane proteins called pumps use energy to move hydrogen ions to one side of the membrane. Which term describes the difference between the numbers of hydrogen ions on opposite sides of the membrane?

The term that describes the difference in the number of hydrogen ions on opposite sides of the membrane is "proton gradient." This gradient is a form of electrochemical gradient that results from the active transport of hydrogen ions (protons) by pumps, creating a difference in concentration and charge across the membrane. This gradient is essential for various cellular processes, including ATP production through chemiosmosis.


What type of transport do the hydrogen ion pumps use?

Hydrogen ion pumps primarily use active transport to move hydrogen ions (H+) across a membrane against their concentration gradient. This process requires energy, typically derived from ATP hydrolysis or, in some cases, from the electrochemical gradient of other ions. Active transport allows these pumps to maintain specific ion concentrations essential for various cellular functions, including pH regulation and membrane potential.


How do sodium potassium pumps work to maintain the balance of ions within cells?

Sodium-potassium pumps use energy to move sodium ions out of cells and potassium ions into cells, helping to maintain the balance of ions. This process is crucial for cell function and overall health.


What is the function of the proton pumps in the thylakoid membranes?

Proton pumps in the thylakoid membranes of chloroplasts create a proton gradient by pumping H+ ions from the stroma into the thylakoid lumen during photosynthesis. This gradient is utilized by ATP synthase to produce ATP through chemiosmosis.


Hydrogen ions move from the outer to the inner compartment of the mitochondria through what molecule?

Hydrogen ions move from the outer to the inner compartment of the mitochondria through the enzyme ATP synthase, which is embedded in the inner membrane. This movement of hydrogen ions creates an electrochemical gradient that drives ATP production.


What hydrogen ion pumps do?

also referred to as "Chemiosmotic Synthesis of ATP", hydrogen ions are removed from one side of the membrane to another. (inside to out), generating a proton gradient across the membrane. So we have a high concn of H+ ions outside the cell membrane. This causes the H+ ions in urgent need to get back inside with diffusion, thus protons move across membrane through special channels. Their passage drives the synthesis of ATP as well. btw this is also Active Transport. (ATP from cell is required).


What is used to move sodium ions?

Sodium ions are moved across cell membranes through the action of sodium-potassium pumps. These pumps use energy from ATP to transport sodium ions out of cells against their concentration gradient. Sodium ions can also pass through ion channels in the membrane via passive diffusion.


Which type of cell transport is used by mitochondria to make hydrogen ions move against their concentration gradient?

Mitochondria utilize active transport to move hydrogen ions (protons) against their concentration gradient. This process primarily occurs during oxidative phosphorylation, where the electron transport chain pumps protons from the mitochondrial matrix into the intermembrane space. This creates a proton gradient, which is subsequently used by ATP synthase to generate ATP as protons flow back into the matrix.


Why does hydrogen iodide in an aqueous solution conduct an electricity?

Hydrogen iodide is dissociated in water.