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The resting potential for a particular neuron is measured to be -60 mV. Which of the following distributions of ions could not produce this measurement?
  • a)
    More cations than anions on both sides of the cell membrane
  • b)
    More anions than cations on both sides of the cell membrane
  • c)
    More anions than cations on the outside of the membrane, more cations than anions on the inside of the membrane
  • d)
    More cations than anions on the outside of the membrane, more anions than cations on the inside of the membrane
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The resting potential for a particular neuron is measured to be -60 mV...
A resting potential of -60 mV is typically achieved by having more anions (negatively charged ions) inside the neuron compared to the outside and more cations (positively charged ions) outside the neuron compared to the inside. This creates an electrochemical gradient across the cell membrane.
Option C describes a distribution where there are more anions than cations on the outside of the membrane and more cations than anions on the inside of the membrane. This distribution would result in a net negative charge inside the neuron, contributing to a resting potential of -60 mV.
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The resting potential for a particular neuron is measured to be -60 mV. Which of the following distributions of ions could not produce this measurement?a)More cations than anions on both sides of the cell membraneb)More anions than cations on both sides of the cell membranec)More anions than cations on the outside of the membrane, more cations than anions on the inside of the membraned)More cations than anions on the outside of the membrane, more anions thancations on the inside of the membraneCorrect 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 The resting potential for a particular neuron is measured to be -60 mV. Which of the following distributions of ions could not produce this measurement?a)More cations than anions on both sides of the cell membraneb)More anions than cations on both sides of the cell membranec)More anions than cations on the outside of the membrane, more cations than anions on the inside of the membraned)More cations than anions on the outside of the membrane, more anions thancations on the inside of the membraneCorrect 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 The resting potential for a particular neuron is measured to be -60 mV. Which of the following distributions of ions could not produce this measurement?a)More cations than anions on both sides of the cell membraneb)More anions than cations on both sides of the cell membranec)More anions than cations on the outside of the membrane, more cations than anions on the inside of the membraned)More cations than anions on the outside of the membrane, more anions thancations on the inside of the membraneCorrect answer is option 'C'. Can you explain this answer?.
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