1) Calculate the free energy required to move 1 mol of K+ ions from the outside...
1) Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.1 mM) to the inside (where [K+] = 135 mM) when the membrane potential is -78 mV and the temperature is 34.2°C. Give your answer in kJ/mol.
2) Calculate the rate enhancement that could be accomplished by an enzyme forming one low-barrier hydrogen bond that has a free energy of -45 kJ/mol with its transition state at 31°C.
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1) Calculate the free energy required to move 1 mol of
K+ ions from the outside...
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions...
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.1 mm) to the inside (where [K+] = 134 mm) when the membrane potential is -77 mV and the temperature is 34.3°C. Give your answer in kJ/mol.
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions...
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.2 mm) to the inside (where [K+] = 147 mM) when the membrane potential is -77 mV and the temperature is 37.6°C. Give your answer in kJ/mol. kJ/mol the tolerance is +/-2%
Potassium ions (K+) move across a 7.0-nm- thick cell membrane from the inside to the outside....
Potassium ions (K+) move across a 7.0-nm- thick cell membrane from the inside to the outside. The potential inside the cell is −80.0 mV, and the potential outside is zero. What is the change in the electrical potential energy Δ? electric of the potassium ions as they move across the membrane?
0 Attempt 1 of 22> Potassium ions (K) move across a 9.0-nm-thick cell membrane from the...
0 Attempt 1 of 22> Potassium ions (K) move across a 9.0-nm-thick cell membrane from the inside to the outside. The potential inside the cell is -70.0 mV, and the potential outside is zero. What is the change in the electrical potential energy AU of the potassium ions as they move across the membrane? AUelectric =1 1.214 ×10-20
The sodium potassium uses energy in the form of ATP hydrolysis to move 3 sodium ions...
The sodium potassium uses energy in the form of ATP hydrolysis
to move 3 sodium ions out of the cell and 2 potassium ions into the
cell. The concentration of sodium inside is 14mM and outside is
143mM. The concentration of potassium inside is 157mM and outside
is 4mM. Membrane potential is -50mV and temperature is 310K.
Demonstrate that hydrolysis of ATP to ADP provides enough energy to
move 3 sodium ions out and 2 potassium ions in to the...
1. Animal cells have a Na,K pump that couples the energy of ATP hydrolysis to transport 3 Na ions out of the cell and 2 K ions into the cell. Inside astrocytes, the concentration of Na is 20 mM and th...
1. Animal cells have a Na,K pump that couples the energy of ATP hydrolysis to transport 3 Na ions out of the cell and 2 K ions into the cell. Inside astrocytes, the concentration of Na is 20 mM and the concentration of K is 130 mM. The extracellular concentrations of Na and K are 145 mM and 5 mM, respectively. Calculate the energy required for the transport of Na and K , with this stoichiometry; assume that the cell...
Under certain circumstances, potassium ions (K") in a cell will move across the cell membrane from...
Under certain circumstances, potassium ions (K") in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is -80.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: 1.36 x10 Does the potential energy of the potassium ions increase, decrease, or remain the same as the ions...
Under certain circumstances, potassium ions (K+) in a cell will move across the cell membrane from...
Under certain circumstances, potassium ions (K+) in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is-80.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: Does the potential energy of the potassium ions increase, decrease, or remain the same as the ions move from the...
Under certain circumstances, potassium ions (K) in a cell will move across the cell membrane from...
Under certain circumstances, potassium ions (K) in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is -70.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: Does the potential energy of the potassium ions increase, decrease, or remain the same as the ions move from...
Under certain circumstances, potassium ions ( K+ ) in a cell will move across the cell...
Under certain circumstances, potassium ions ( K+ ) in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is −85.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: J Does the potential energy of the potassium ions increase, decrease, or remain the same as the...
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.1 mm) to the inside (where [K+] = 134 mm) when the membrane potential is -77 mV and the temperature is 34.3°C. Give your answer in kJ/mol.
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.2 mm) to the inside (where [K+] = 147 mM) when the membrane potential is -77 mV and the temperature is 37.6°C. Give your answer in kJ/mol. kJ/mol the tolerance is +/-2%
0 Attempt 1 of 22> Potassium ions (K) move across a 9.0-nm-thick cell membrane from the inside to the outside. The potential inside the cell is -70.0 mV, and the potential outside is zero. What is the change in the electrical potential energy AU of the potassium ions as they move across the membrane? AUelectric =1 1.214 ×10-20
The sodium potassium uses energy in the form of ATP hydrolysis
to move 3 sodium ions out of the cell and 2 potassium ions into the
cell. The concentration of sodium inside is 14mM and outside is
143mM. The concentration of potassium inside is 157mM and outside
is 4mM. Membrane potential is -50mV and temperature is 310K.
Demonstrate that hydrolysis of ATP to ADP provides enough energy to
move 3 sodium ions out and 2 potassium ions in to the...
Under certain circumstances, potassium ions (K") in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is -80.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: 1.36 x10 Does the potential energy of the potassium ions increase, decrease, or remain the same as the ions...
Under certain circumstances, potassium ions (K+) in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is-80.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: Does the potential energy of the potassium ions increase, decrease, or remain the same as the ions move from the...
Under certain circumstances, potassium ions (K) in a cell will move across the cell membrane from the inside to the outside. The potential inside the cell is -70.5 mV and the potential outside the cell is zero. What is the change in the electrical potential energy of a single potassium ion as it moves across the membrane? change in potential energy: Does the potential energy of the potassium ions increase, decrease, or remain the same as the ions move from...
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