How is the H+-ATPase so important for nutrient transport across the plasma membrane?
How is the H+-ATPase so important for nutrient transport across the plasma membrane?
Homework Answers
The proton-pump H+-ATPase of the plant plasma membrane acts as a primary transporter by pumping protons out of the cell, thereby creating pH and electrical potential differences across the plasma membrane. Mineral absorption from the soil can occur against concentration gradients which relies upon the energy provided by the electrochemical gradient created across the plasma membrane It helps in the transport of many solutes (ions, metabolites, etc.). The H+-ATPase-dependent electrochemical gradient also confers the energy necessary for the transport of organic compounds
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How is the H+-ATPase so important for nutrient
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Question 33 2.5 pts The Na+-K+ ATPase transporter found in the plasma membrane of most animal...
Question 33 2.5 pts The Na+-K+ ATPase transporter found in the plasma membrane of most animal cells gets its energy from: ATP hydrolysis The electrochemical gradient across the membrane O Co-transport of H+ into the cell None are correct, this transporter functions by facilitated diffusion All are correct
Na^+/K^+ ATPase (sodium potassum adenosine triphosphatase) is found in the plasma membrane and catalyzes the exchange...
Na^+/K^+ ATPase (sodium potassum adenosine triphosphatase) is found in the plasma membrane and catalyzes the exchange of sodium and potassium ions across the membrane. Sort the following statements about the transport system as either true or false.
Consider the transport of Naº and K across the cell membrane by the NaK ATPase. A...
Consider the transport of Naº and K across the cell membrane by the NaK ATPase. A cell membrane generally is polarized with the inside negative. The following are all components used t calculate AG. Which of these components contributes to a more spontaneous AG? O RT In([Naou] /[Na inj) ORT IN([K]2/[koud) Z Na FAY ZiK FAY
The plasma membrane is very important to the cell. a. Draw and describe the structure and...
The plasma membrane is very important to the cell. a. Draw and describe the structure and function of the plasma membrane. b. What is the chemical explanation for the structure of the plasma membrane? c. Diagram and four different transport mechanisms across the membrane, and then compare and contrast the benefits and drawbacks of each mechanism to the cell:
Describe how inhibition of the plasma membrane Na/K ATPase affects Glucose absorption:
Describe how inhibition of the plasma membrane Na/K ATPase affects Glucose absorption:
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane...
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. Which of the statements describe properties of exocytosis? Exocytosis uses membrane channel proteins to import materials into the cell. Exocytosis is the primary method of transporting large molecules out of the cell. Exocytosis is the primary method of transporting large molecules into the cell. Exocytosis engulfs materials into the cell through the pinching off of a vesicle from the plasma membrane....
V-type proton ATPase (proton pump): a: What type of transport is a V-type proton ATPase (an...
V-type proton ATPase (proton pump): a: What type of transport is a V-type proton ATPase (an integral membrane protein) uses ATP directly to transport protons across the membrane ? (PRIMARY OR SECONDARY) b: With the understanding of sodium-potassium pump, describe how a proton pump would use ATP to move protons against their concentration gradient (out of the cell) ? please do not say energy.
2. A) List and briefly discuss the different types of movement of Na+ across the plasma...
2. A) List and briefly discuss the different types of movement of Na+ across the plasma membrane of a neuron (or a typical cell). B) EXPLAIN why inhibiting the sodium/potassium transport pump in neurons will not have an immediate effect on the membrane potential. C) Over time the membrane will depolarize if the “pump” is blocked – explain how this ATPase creates an “electrogenic” effect.
3 2 Rate of molecule transport 1 Molecule concentration difference across plasma membrane humans, fructose, a...
3 2 Rate of molecule transport 1 Molecule concentration difference across plasma membrane humans, fructose, a disaccharide, is taken up from the intestine by facilitated transport. Respond to the following questions Adressing the transport of fructose molecules as shown in the diagram, above. the number of transport proteins is the same for the membranes with Rates 1, 2, and 3, which arrow corresponds to eatest concentration difference of fructose across the cell membrane? (Click to select) the fructose concentration difference...
Q2. The Na+/K+ pump and voltage gated K+ channels both transport K+ across the membrane. A)...
Q2. The Na+/K+ pump and voltage gated K+ channels both transport K+ across the membrane. A) Compare and contrast these two mechanisms for K+ transport indicating important functional and structural differences. B) Describe the process for putting a voltage gated K+ channel in the membrane starting at the ribosome and ending at the plasma membrane.
Question 33 2.5 pts The Na+-K+ ATPase transporter found in the plasma membrane of most animal cells gets its energy from: ATP hydrolysis The electrochemical gradient across the membrane O Co-transport of H+ into the cell None are correct, this transporter functions by facilitated diffusion All are correct
Na^+/K^+ ATPase (sodium potassum adenosine triphosphatase) is found in the plasma membrane and catalyzes the exchange of sodium and potassium ions across the membrane. Sort the following statements about the transport system as either true or false.
Consider the transport of Naº and K across the cell membrane by the NaK ATPase. A cell membrane generally is polarized with the inside negative. The following are all components used t calculate AG. Which of these components contributes to a more spontaneous AG? O RT In([Naou] /[Na inj) ORT IN([K]2/[koud) Z Na FAY ZiK FAY
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. Which of the statements describe properties of exocytosis? Exocytosis uses membrane channel proteins to import materials into the cell. Exocytosis is the primary method of transporting large molecules out of the cell. Exocytosis is the primary method of transporting large molecules into the cell. Exocytosis engulfs materials into the cell through the pinching off of a vesicle from the plasma membrane....
3 2 Rate of molecule transport 1 Molecule concentration difference across plasma membrane humans, fructose, a disaccharide, is taken up from the intestine by facilitated transport. Respond to the following questions Adressing the transport of fructose molecules as shown in the diagram, above. the number of transport proteins is the same for the membranes with Rates 1, 2, and 3, which arrow corresponds to eatest concentration difference of fructose across the cell membrane? (Click to select) the fructose concentration difference...
Q2. The Na+/K+ pump and voltage gated K+ channels both transport K+ across the membrane. A) Compare and contrast these two mechanisms for K+ transport indicating important functional and structural differences. B) Describe the process for putting a voltage gated K+ channel in the membrane starting at the ribosome and ending at the plasma membrane.
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