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Researchers use genetic engineering techniques to culture neuronal cells with sodium-potassium pumps that, for each molecule of ATP, transport 2 sodium cations for every 3 potassium cations; assuming that all other aspects are held equal, which of the following would be most affected by this change, as compared to what happens in a normal neuronal cell?
  • a)
    The diffusion force on potassium cations would be larger and in the opposite direction
  • b)
    The diffusion force on potassium cations would be smaller and in the same direction
  • c)
    The diffusion force on potassium cations would be larger and in the same direction
  • d)
    The diffusion force on potassium cations would be smaller and in the opposite direction
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Researchers use genetic engineering techniques to culture neuronal cel...
When the sodium-potassium pump transports 2 sodium cations out of the cell for every 3 potassium cations it brings into the cell, there will be an increased intracellular concentration of potassium ions. This higher intracellular concentration creates a larger concentration gradient, resulting in a larger diffusion force for potassium ions moving out of the cell. The diffusion force acts in the same direction as the concentration gradient, which is from the intracellular space to the extracellular space. Therefore, the diffusion force on potassium cations would be larger and in the same direction.
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Researchers use genetic engineering techniques to culture neuronal cells with sodium-potassium pumps that, for each molecule of ATP, transport 2 sodium cations for every 3 potassium cations; assuming that all other aspects are held equal, which of the following would be most affected by this change, as compared to what happens in a normal neuronal cell?a)The diffusion force on potassium cations would be larger and in the opposite directionb)The diffusion force on potassium cations would be smaller and in the same directionc)The diffusion force on potassium cations would be larger and in the same directiond)The diffusion force on potassium cations would be smaller and in the opposite directionCorrect answer is option 'C'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about Researchers use genetic engineering techniques to culture neuronal cells with sodium-potassium pumps that, for each molecule of ATP, transport 2 sodium cations for every 3 potassium cations; assuming that all other aspects are held equal, which of the following would be most affected by this change, as compared to what happens in a normal neuronal cell?a)The diffusion force on potassium cations would be larger and in the opposite directionb)The diffusion force on potassium cations would be smaller and in the same directionc)The diffusion force on potassium cations would be larger and in the same directiond)The diffusion force on potassium cations would be smaller and in the opposite directionCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Researchers use genetic engineering techniques to culture neuronal cells with sodium-potassium pumps that, for each molecule of ATP, transport 2 sodium cations for every 3 potassium cations; assuming that all other aspects are held equal, which of the following would be most affected by this change, as compared to what happens in a normal neuronal cell?a)The diffusion force on potassium cations would be larger and in the opposite directionb)The diffusion force on potassium cations would be smaller and in the same directionc)The diffusion force on potassium cations would be larger and in the same directiond)The diffusion force on potassium cations would be smaller and in the opposite directionCorrect answer is option 'C'. Can you explain this answer?.
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