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The inside of a typical cell is posotive in respect to the outside. I got this out of my Biology book.
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What is the electrical charge inside and outside a typical cell?
Inside the cell, the electrical charge is negative due to the accumulation of negatively charged ions, such as proteins and nucleic acids. Outside the cell, the electrical charge is positive due to the concentration of positively charged ions, such as sodium and potassium ions. This creates a potential difference across the cell membrane known as the resting membrane potential.
What is the difference in electrical charge between two regions on a nerve?
There is a slight difference in electrical charge between the inside and outside of a nerve cell membrane, known as the resting membrane potential. This potential is typically around -70 millivolts, with the inside of the cell more negative compared to the outside. This difference in charge is essential for the nerve cell to transmit electrical signals.
What causes the electrical charge in the nerve?
The electrical charge in nerves is caused by the movement of ions, such as sodium and potassium, across the nerve cell membrane. This movement creates a difference in electrical charge between the inside and outside of the cell, known as the membrane potential. When a nerve is stimulated, this membrane potential changes, allowing for the transmission of electrical signals along the nerve cell.
When the outside of the neuron cell is more positive than the inside the cell is?
When the outside of the neuron cell is more positive than the inside, the cell is in a state of depolarization. This shift in electrical charge can trigger an action potential, leading to the propagation of nerve impulses along the neuron.
Electrical charge resulting from the difference between positive and negative ions outside and inside the brain cell membrane is called?
This electrical charge is called the resting membrane potential. It is generated by the unequal distribution of ions such as sodium, potassium, chloride, and calcium inside and outside the cell. The resting membrane potential plays a crucial role in cell communication and proper functioning of the nervous system.
What is the fluid on the outside of neurons similar to?
The fluid on the outside of neurons is similar to the intracellular fluid inside the cell, as it contains ions and other molecules necessary for cell function. It also helps create an electrical charge difference across the cell membrane, which is important for neuronal communication.
The membrane potential of a cell favors?
The membrane potential of a cell favors a negative charge inside relative to the outside due to the higher concentration of negatively charged ions inside the cell. This sets up an electrical gradient that influences the movement of ions across the membrane.
Why is the resting membrane potential negatively charged?
The resting membrane potential is negatively charged because of the unequal distribution of ions across the cell membrane, with more negative ions inside the cell than outside. This creates an electrical gradient that results in a negative charge inside the cell at rest.
What is membrain potential?
Membrane potential refers to the difference in electrical charge between the inside and outside of a cell membrane. This difference is usually negative inside the cell compared to the outside, due to the distribution of ions across the membrane. Membrane potential is essential for many cellular processes, including nerve impulse propagation and muscle contraction.
Can you get electrocuted from a cell phone when it is off charge?
Only if you are outside using it during an electrical storm and get struck by lightning
What is a nerve membrane at rest called?
At rest, the nerve membrane is referred to as polarized, meaning there is a difference in electrical charge between the inside and outside of the cell. This difference is maintained by the sodium-potassium pump, which actively transports ions across the cell membrane.
Why is the resting membrane potential negative in cells?
The resting membrane potential in cells is negative because of the unequal distribution of ions across the cell membrane, particularly the higher concentration of negatively charged ions inside the cell compared to outside. This creates an electrical gradient that results in a negative charge inside the cell at rest.
