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What role does the flaccid state of plant cells play in maintaining turgor pressure and overall cell function in biology?
The flaccid state of plant cells helps maintain turgor pressure by allowing the cell to take in water and become rigid. This pressure is important for supporting the cell structure and function, such as nutrient transport and maintaining cell shape.
How does a plant cell become flaccid?
A plant cell becomes flaccid when there is a loss of water due to osmosis. This loss of water causes the cell to shrink and lose turgor pressure, resulting in a lack of firmness or rigidity. Flaccidity can be reversed by rehydrating the cell.
How does the concept of flaccid biology relate to the study of plant cell structure and function?
The concept of flaccid biology is important in understanding plant cell structure and function because it refers to the state of a plant cell when it lacks turgor pressure, which is essential for maintaining cell shape and supporting functions like nutrient uptake and photosynthesis. When a plant cell becomes flaccid, it can affect its overall structure and ability to perform vital functions.
Which way would water move if a cell is placed in salt water (a hyper tonic solution)?
The water potential of the outside solution would be lower than the water potential of the cell itself. Therefore, water would pass out of the cell by osmosis (as water moves from a region of higher water potential to lower water potential). An animal cell would shrivel and become crenated. In a plant cell, the cytoplasm would shrink and the cell membrane would come away from the cell wall. This is called plasmolysis and when complete, the cell is said to be flaccid.
What are cells with low internal water pressure called?
Turgor
What is the difference between a flaccid cell and plasmolised cell?
A flaccid cell has lost water and lacks turgor pressure, while a plasmolysed cell has lost so much water that the plasma membrane has detached from the cell wall. Flaccid cells are not necessarily plasmolysed, but plasmolysed cells are always flaccid.
What are the terms used to described a stiff firm cell a loose flaccid cell?
A stiff, firm cell is typically described as "turgid," which occurs when the cell is filled with water, creating pressure against the cell wall. In contrast, a loose, flaccid cell is referred to as "flaccid," indicating that it has lost water and lacks the internal pressure needed to maintain its shape. This distinction is important in understanding cell physiology, particularly in plant cells.
What role does the flaccid state of plant cells play in maintaining turgor pressure and overall cell function in biology?
The flaccid state of plant cells helps maintain turgor pressure by allowing the cell to take in water and become rigid. This pressure is important for supporting the cell structure and function, such as nutrient transport and maintaining cell shape.
How does a plant cell become flaccid?
A plant cell becomes flaccid when there is a loss of water due to osmosis. This loss of water causes the cell to shrink and lose turgor pressure, resulting in a lack of firmness or rigidity. Flaccidity can be reversed by rehydrating the cell.
What will be the solute potential and pressure potential of the cell at equillibrium?
At equilibrium, the solute potential of the cell will be equal to the solute potential of the surrounding solution. The pressure potential of the cell will be zero when there is no additional pressure on the cell membrane.
How does the concept of flaccid biology relate to the study of plant cell structure and function?
The concept of flaccid biology is important in understanding plant cell structure and function because it refers to the state of a plant cell when it lacks turgor pressure, which is essential for maintaining cell shape and supporting functions like nutrient uptake and photosynthesis. When a plant cell becomes flaccid, it can affect its overall structure and ability to perform vital functions.
What is the opposite of a turgid cell?
The opposite of a turgid plant cell is called a flaccid plant cell. A walled cell is flaccid in surroundings where there is no tendency for water to enter. A turgid wall is very form, while a flaccid cell wall is more limp.
How pressure potential and solute potential both affect the water potentail of a plants cell?
Water potential in a plant cell is determined by the sum of pressure potential and solute potential. Pressure potential is the physical pressure exerted by the cell wall against the cell's internal pressure, which can enhance water uptake. Solute potential, on the other hand, is influenced by the concentration of solutes in the cell; higher solute concentrations decrease water potential. Together, these factors regulate water movement into and out of the cell, impacting hydration and overall plant health.
Which way would water move if a cell is placed in salt water (a hyper tonic solution)?
The water potential of the outside solution would be lower than the water potential of the cell itself. Therefore, water would pass out of the cell by osmosis (as water moves from a region of higher water potential to lower water potential). An animal cell would shrivel and become crenated. In a plant cell, the cytoplasm would shrink and the cell membrane would come away from the cell wall. This is called plasmolysis and when complete, the cell is said to be flaccid.
What are cells with low internal water pressure called?
Turgor
What will be zero in a fully turgid cell?
The water potential will be zero in a fully turgid cell because the pressure potential (turgor pressure) is equal and opposite to the solute potential, resulting in a net water potential of zero. This balance prevents further influx of water into the cell.
What happen when a living plant cell loses water through osmosis and what does that phenomenon is known as?
When a living plant cell loses water through osmosis, it becomes flaccid or plasmolyzed, causing the cell to shrink away from the cell wall. This phenomenon is known as plasmolysis. The cell membrane detaches from the cell wall due to the water loss, leading to a loss of turgor pressure and potential wilting of the plant.
