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cyst
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∙ 12y ago
A dormant resting state of a protozoan cell is known as a cyst. Cysts form as a protective mechanism in response to adverse environmental conditions, allowing the cell to survive until conditions improve. During this stage, metabolic activities are greatly reduced, and the cyst can resist desiccation, extreme temperatures, and other stressors.
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When the electrical potential in a cell is in action versus a resting state the electrical charge reversal?
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.
A protozoan never contains?
A protozoan never contains a cell wall made of cellulose.
If you expose the protozoan to an antibiotic would it die?
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.
Is a cells resting state -50 to about 50 millivolts?
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.
How many nuclei does most protozoan have?
They have one for each cell.
Endospore-formers?
resting or dormant type of cell that is highly resistant to environmental extremes (heat, dessication, oxygen, radiation, disinfectants).
Are protozoan multiple cell organisms?
no
When the electrical potential in a cell is in action versus a resting state the electrical charge reversal?
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.
A protozoan never contains?
A protozoan never contains a cell wall made of cellulose.
The state during which a neuron contains more negatively charged ions inside the cell than outside the cell and is not firing is referred to as the?
resting membrane potential.
If you expose the protozoan to an antibiotic would it die?
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.
What type of cell wall is on protozoan?
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Is a cells resting state -50 to about 50 millivolts?
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.
Does all body cells exhibit a resting membrane potential in their resting state therefore making all cells polarized?
No, not all cells exhibit a resting membrane potential. Resting membrane potential is typically seen in excitable cells like neurons and muscle cells due to the unequal distribution of ions across the cell membrane. Other cell types may not show this characteristic polarization.
When the inside of a cell is negatively charged while the outside of the cell is positively charged it is known as resting potential true or false?
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.
Is paramecium a plant cell or an animal cell?
Neither, it's a part of the protozoan kingdom.
Is protozoa a structure of cell?
No. A protozoan is a one celled organism.
