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Turgor pressure is caused by water filling what two things?
Turgor pressure is caused by water filling the central vacuole and the cytoplasm in plant cells. As more water enters the vacuole, it pushes against the cell wall, creating pressure that helps maintain the cell's structure and rigidity.
What happens when plasmolysed spirogyra filament is put in water?
When a plasmolysed Spirogyra filament is put in water, the cell membrane will rehydrate and regain its original shape. The water will move into the cell through osmosis, causing the cell to become turgid again. This process is known as deplasmolysis, where the protoplast swells and pushes the cell membrane against the cell wall.
What organelle fills whit water and pushes against the cell wall?
'In plants, it's the vacuole. Animal cells don't have vacuoles
The cell membrane controls what goes in and out of the cell true or false?
True. The cell membrane is selectively permeable, meaning it regulates the movement of substances in and out of the cell to maintain internal balance and protect against harmful substances.
The transport of a substance across the cell membrane against its concentration gradient is called what?
The transport of a substance across the cell membrane against its concentration gradient is called active transport.
What pushes against the cell membrane to help make the cell rigid?
water
What structure in a plant cell may force the cell membrane into contact with the cell wall?
The structure in a plant cell that may force the cell membrane into contact with the cell wall is the plasma membrane. This will also come into contact with the vesicle membrane.
Turgor pressure is caused by water filling what two things?
Turgor pressure is caused by water filling the central vacuole and the cytoplasm in plant cells. As more water enters the vacuole, it pushes against the cell wall, creating pressure that helps maintain the cell's structure and rigidity.
What sort of cell surrounded by a cell membrane?
In plant cell the cell surface membrane is right against the cell wall
Why does a nucleus in a plant cell is seen towards the plasma membrane?
In a plant cell, there is a large single vacuole present in the centre. This pushes the nucleus towards the plasma membrane.
How do small molecules get through the cell membrane against a concentration?
How do small molecules get through a cell membrane
What is cell membrane pumps?
cell membrane pumps use energy to force molecules in a direction opposite of natural.
What happens when plasmolysed spirogyra filament is put in water?
When a plasmolysed Spirogyra filament is put in water, the cell membrane will rehydrate and regain its original shape. The water will move into the cell through osmosis, causing the cell to become turgid again. This process is known as deplasmolysis, where the protoplast swells and pushes the cell membrane against the cell wall.
When water diffuses into a plant cell and builds up firm pressure that is called?
Turgor pressure. When the plant cell's central vacuole swells with water, the cell membrane pushes against the cell wall, creating this pressure that helps maintain cell shape and support the plant's structure.
What part of a cell works with a cell membrane?
well technically the whole thing because the cell membrane is used to protect the cell sorta like a force shield.
What types of cells are surrounded by a cell membrane?
All cells are surrounded by a plasma membrane of some kind, but depending on the cell type they can also be surrounded by additional structures. Plant cells have a cell wall to maintain hydrostatic pressure and gram-positive bacteria have a thick coating of peptidoglycans surrounding their plasma membrane.
Name three cell parts that help defend the cell against invading substances?
Membrane
