What is the difference between the membrane potential in a normal cell and an excitable cell?

Q: Dr. Brainy decides to make a new cell that ONLY has one ion channel in its membrane. This channel is…

A: Based on the conditions, let's evaluate the potential outcomes: Membrane potential approaching 0 mV:…

Q: The resting membrane potential of a neuron typically is  70 mV. What does this mean?

A: The nervous system is involved in the coordination and controlling of various activities in the…

Q: What are the roles of membrane fluidity in neuron function?  What are the roles of  conformational…

A: Introduction  Membranes are thin layers of lipid molecules that help to form the boundaries of cells…

Q: The approximate protein:lipid ratio in the plasma membrane of a myelin cell is: a) 1:10 b) 3:1 c)…

A: Ans - The approximate protein:lipid ratio in the plasma membrane of a myelin cell is 1:4. (a)  #…

Q: How are action potentials propagated along an excitable membrane?

A: The cell membrane has a membrane potential associated with it. The electric potential outside the…

Q: Finally, what will be the effect on the membrane potential if K+ loan move out of the cell?a) K+…

A: The sodium-potassium pump is an important ATP-based pump found in the cell's plasma membrane. The…

Q: Which of the following is one major difference? [Choose ] Only action potentials cause…

A: There is difference in the concentration of ions inside and outside the each cell of body and this…

Q: What are the two phases of an action potential?

A: An action potential can be defined as the sudden and fast change in the resting potential of the…

Q: How do depolarize, repolarize, and hyperpolarize describe the direction of changes in the membrane…

A: The resting potential is the membrane potential of the cell membrane in its non excitable resting…

Q: Which of the fallowing is required to generate a membrane potential? I. A concentration gradient of…

A: Thank you for the question  Answer = The correct answer is option D ( 1 and 3) Membrane potential is…

Q: The above repolarization of a neuron will result in which of the following ionic currents? a…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: How does the Na+/K+ pump contribute to the development of a membrane potential?

A: Na+/K+ pump or Sodium-Potassium pump is an enzyme present in cell membrane of all animals.Its role…

Q: How much current actually flows across the membrane over the course of an action potential?

A: Cell to cell communication is an important aspect of all living organisms. It is required for the…

Q: Which of the following BEST explains the inside negative potential in resting neurons? sodium flows…

A: This explanation is accurate because, in resting neurons, the membrane is primarily permeable to…

Q: The sodium-potassium pump is really important to the functioning of neurons. (a) What does it do?…

A: The neurons in the nervous system have the capability of producing and conducting electrical…

Q: Jose measures membrane potential in two neighboring cells. He notices that when the membrane…

A: Membrane potential It refers to the difference in electric potential between the interior and the…

Q: Indicate zero membrane potential, resting membrane potential, and threshold potential; indicate when…

A: Introduction  Chloride is the most abundant anion in the extracellular fluid. Along with Chloride…

Q: List three ways in which action potentials can be initiated in neurons?

A: Neurons are a type of cell that is solely responsible for the transmission of information across the…

Q: How does the voltage sensor of a voltage-gated ion channel work?

A: In a voltage-gated ion channel have a voltage sensor. These voltage sensors are sensitive to changes…

Q: Explain the conditions that give rise to the resting membrane potential.

A: Different organ systems work in a coordinated manner to maintain optimum body functioning. The…

Q: Upon reaching electrical threshold, which of the following ion channels will open? Leak K+…

A: Neurons or nerve cells are the units of the nervous system. The parts of a neuron are dendrites,…

Q: Let's say you have neurons in a petrie dish bath in a solution in which the extracellular K+…

A: Membrane potential(Vm) is defined as the potential created due to the difference in the electric…

Q: 1) What is responsible for returning the cell to its normal resting membrane potential following the…

A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…

Q: What is the resting membrane potential? How does electrical activity change during an action…

A: Neurons are the fundamental units of the nervous system. A neuron is made up of three important…

Q: How can the resting membrane potential of a membrane be calculated using the Goldman-Hodgkin-Katz…

A: The Goldman-Hodgkin-Katz equation (GHK equation) is used to calculate the membrane potential of the…

Q: Which is the state of voltage gated channel when the membrane potential has changed from resting…

A: The difference in electric potential between the interior and exterior of a biological cell is known…

Q: The normal concentrations for intracellular and extracellular potassium in a neuron are [K+]in = 150…

A: Recall that the Nernst equation for calculating reversal potential is: Eion  = RT/Zf log [Co]/[Ci]…

Q: Explain action potential generation in terms of cell potential, ionic concentrations, movement of…

A: An action potential occurs in many cells of animals such as muscle cells, neurons, endocrine, and…

Q: Two scientists calculated the membrane potential of a neuron using two different equations, the…

A: The membrane potential is the difference in electrical charge between the inside and outside of a…

Q: 13) Draw a graph representing the changes in membrane potential across the axonal membrane before,…

A: The electric signals that flow down the dendrites to form a nerve impulse or an action potential are…

Q: What is the resting membrane potential? What three factors create the resting membrane potential?

A: Introduction: An action potential is a mechanism of transmitting impulses in neurons. External…

Q: ) Neurons cannot respond during the absolute refractory period because: a) the concentration…

A: The absolute refractory period starts immediately after the initiation of the action potential and…

Q: What is Diffusion of Ions Through Ion Channels?

A: Cells, the most fundamental and vital unit of life, are found in all living things. A cell is in…