What are the six steps of the cycle of activity of the sodium ion-potassium ion ATPase?...
What are the six steps of the cycle of activity of the sodium ion-potassium ion ATPase? Tell which direction the ions are moved and why you need ATP.
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What are the six steps of the cycle of activity of the sodium
ion-potassium ion ATPase?...
1. 2. 3. Select all that apply. The sodium-potassium ion pump: hydrolyzes ATP, utilizing the free...
1.
2.
3.
Select all that apply. The sodium-potassium ion pump: hydrolyzes ATP, utilizing the free phosphate ion to temporarily bind to the transport protein. opens a channel through the membrane by phosphorylating one subunit of the transport protein. D is the only known ion pump. D is mediated by one enzyme that both hydrolyzes ATP and transports the ions. can be run in reverse, phosphorylating ADP to ATP Which of the following describes secondary active transport? O The antiport...
please help! 23. What type of transporter is the Na-K ATPase transporter? A) uniporter B) symporter...
please help!
23. What type of transporter is the Na-K ATPase transporter? A) uniporter B) symporter C) antiporter D) superporter 24. What type of transporter is the ATP synthase? A) uniporter B) symporter C ) antiporter D) superporter 25. How does the potassium channel allow potassium to pass and not sodium? A) by size, sodium has a larger radius B) by charge, sodium is uncharged C) sodium interacts with water differently D) sodium is a non-polar metal ion
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a...
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a solute-specific protein carrier Facilitated diffusion transports solute against its’ concentration gradient Which of the following is TRUE about primary active cell membrane transport? It is a form of transport that requires a protein “pump” It is a form of transport that transports ions and/or solute against their concentration gradient It is a transport mechanism that requires energy released from the splitting of ATP by...
Your classmate is excited to tell you about something they just learned. There’s a toxin named...
Your classmate is excited to tell you about something they just learned. There’s a toxin named ouabain that was used by East Africans to make poison arrows. “And guess what-ouabain kills people by blocking the sodium/potassium pump that we learned about in BILD 1!” But your classmate is confused about something. “The sodium/potassium pump moves sodium and potassium ions against the concentration gradients, in the opposite direction of how the ions would normally go. But in class we said that...
3. You make an empty lipid vesicle whose sole membrane protein is a version of the sodium-potassi...
3. You make an empty lipid vesicle whose sole membrane protein is a version of the sodium-potassium pump found in neurons, that has been modified to pump one Na ion every time it pumps one K ion. It is oriented in the membrane the same way it is in neurons a) What would you expect to happen if you placed this vesicle in a solution containing only an equal concentration of Na* and K* ions, and filled the vesicle with...
please answer both Which of the following statements is true? The H+/K+-ATPase (proton pump) generates ATP...
please answer both
Which of the following statements is true? The H+/K+-ATPase (proton pump) generates ATP as hydrogen ions are pumped out of parietal cells. Parietal cells of the stomach produce and release hydrochloric and nitric acid. Parietal cells of the stomach exchange sodium for potassium in order to maintain homeostasis prior to stimulation. When a histamine receptor antagonist is presented to parietal cells, followed by histamine, the internal pH of the parietal cells increases dramatically. Figure 23.4 suggests that...
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and...
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. These ions enter cells through narrow pores in the cell membrane known as ion channels. Each ion channel, which is formed from a specialized protein molecule, is selective for one type of ion. When an ion channel opens in a cell wall, monovalent (charge ee) ions flow through the channel at a rate of 1.0×107ions/s1.0×107ions/s. The...
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and...
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. These ions enter cells through narrow pores in the cell membrane known as ion channels. Each ion channel, which is formed from a specialized protein molecule, is selective for one type of ion. High-resolution measurements have shown that an ion channel is a 0.30-nm-diameter cylinder with length of 5.0 nm. The intracellular fluid filling the ion...
please help! 1.Explain the ADP-ATP cycle and its relationship with catabolism and anabolism. And determine what...
please help! 1.Explain the ADP-ATP cycle and its relationship with catabolism and anabolism. And determine what is source of energy for adding phosphate group to ADP? 2. Determine whether the following involves catabolic or anabolic reactions ( you will have to do some research to figure out what these processes are): i. Glycolysis ii. Kreb cycle iii. Replication of DNA iv. Conversion of glucose to glycogen v. Glucose produced in photosynthesis vi. ATP hydrolysis to ADP and Pi vii. Production...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion,...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...
1.
2.
3.
Select all that apply. The sodium-potassium ion pump: hydrolyzes ATP, utilizing the free phosphate ion to temporarily bind to the transport protein. opens a channel through the membrane by phosphorylating one subunit of the transport protein. D is the only known ion pump. D is mediated by one enzyme that both hydrolyzes ATP and transports the ions. can be run in reverse, phosphorylating ADP to ATP Which of the following describes secondary active transport? O The antiport...
please help!
23. What type of transporter is the Na-K ATPase transporter? A) uniporter B) symporter C) antiporter D) superporter 24. What type of transporter is the ATP synthase? A) uniporter B) symporter C ) antiporter D) superporter 25. How does the potassium channel allow potassium to pass and not sodium? A) by size, sodium has a larger radius B) by charge, sodium is uncharged C) sodium interacts with water differently D) sodium is a non-polar metal ion
3. You make an empty lipid vesicle whose sole membrane protein is a version of the sodium-potassium pump found in neurons, that has been modified to pump one Na ion every time it pumps one K ion. It is oriented in the membrane the same way it is in neurons a) What would you expect to happen if you placed this vesicle in a solution containing only an equal concentration of Na* and K* ions, and filled the vesicle with...
please answer both
Which of the following statements is true? The H+/K+-ATPase (proton pump) generates ATP as hydrogen ions are pumped out of parietal cells. Parietal cells of the stomach produce and release hydrochloric and nitric acid. Parietal cells of the stomach exchange sodium for potassium in order to maintain homeostasis prior to stimulation. When a histamine receptor antagonist is presented to parietal cells, followed by histamine, the internal pH of the parietal cells increases dramatically. Figure 23.4 suggests that...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...
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