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When a cell is in action, the electrical potential becomes more positive compared to the resting state. This is due to an influx of positively charged ions such as sodium. During the resting state, the electrical potential is negative, maintained by the concentration gradient of ions across the cell membrane.
The reversal of electric potential in a cell during action versus resting states is known as an "action potential." In a resting state, the cell membrane maintains a negative internal charge, but when stimulated, ion channels open, leading to a rapid influx of sodium ions. This shift causes depolarization, resulting in the action potential that propagates along the neuron or muscle cell. Afterward, the cell repolarizes, returning to its resting state.
A protozoan never contains a cell wall made of cellulose.
Not necessarily. Protozoan do not have rigid cell walls. The antibiotic works by destroying the rigid cell was of a bacteria, thus destroying the bacteria. The protozoan have the same pressure on the outside of the cell, as they do on the inside of the cell. With no rigid cell wall, the antibiotic would not work the same, as there is no cell wall or pressure to disturb.
No, a cell's resting membrane potential is typically around -70 millivolts. This negative charge inside the cell is maintained by the sodium-potassium pump, which pumps sodium out and potassium in, creating a voltage difference across the cell membrane.
resting or dormant type of cell that is highly resistant to environmental extremes (heat, dessication, oxygen, radiation, disinfectants).
no
When a cell is in action, the electrical potential becomes more positive compared to the resting state. This is due to an influx of positively charged ions such as sodium. During the resting state, the electrical potential is negative, maintained by the concentration gradient of ions across the cell membrane.
The reversal of electric potential in a cell during action versus resting states is known as an "action potential." In a resting state, the cell membrane maintains a negative internal charge, but when stimulated, ion channels open, leading to a rapid influx of sodium ions. This shift causes depolarization, resulting in the action potential that propagates along the neuron or muscle cell. Afterward, the cell repolarizes, returning to its resting state.
A protozoan never contains a cell wall made of cellulose.
resting potential
Not necessarily. Protozoan do not have rigid cell walls. The antibiotic works by destroying the rigid cell was of a bacteria, thus destroying the bacteria. The protozoan have the same pressure on the outside of the cell, as they do on the inside of the cell. With no rigid cell wall, the antibiotic would not work the same, as there is no cell wall or pressure to disturb.
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No, a cell's resting membrane potential is typically around -70 millivolts. This negative charge inside the cell is maintained by the sodium-potassium pump, which pumps sodium out and potassium in, creating a voltage difference across the cell membrane.
True. This difference in charge, with the inside of the cell more negatively charged compared to the outside, is known as the resting membrane potential. This is a key characteristic of the resting state of a neuron.
In resting state, all body cells exhibit a resting membrane potential that typically ranges from -50 to -100 millivolts, depending on cell type. For this reason , all cells are said to be polarized.
Neither, it's a part of the protozoan kingdom.