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Guard cells are specialized cells located on the surfaces of plant leaves and stems that regulate the opening and closing of stomata. These cells control gas exchange by changing shape in response to environmental conditions, allowing carbon dioxide to enter for photosynthesis while minimizing water loss through transpiration. The features of guard cells, such as their flexible cell walls and the presence of chloroplasts, enable them to respond to light, humidity, and internal water levels effectively. This regulation is crucial for maintaining the plant's overall health and metabolic functions.
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What is the special features of guard cell?
Guard cells contain chloroplasts for photosynthesis, have a kidney bean shape that allows for stomatal opening and closing, and regulate gas exchange in plants by controlling the size of stomatal pores.
Is a guard cell a tissue a organ or a cell?
A guard cell is a type of cell found in the epidermis of plant leaves. It is not a tissue or an organ; rather, it is a specialized cell responsible for regulating the opening and closing of stomata to control gas exchange and water loss in plants.
What two features can be found in the plant cell but not in the animal cell?
cell wall
What two features indicate that a cell is a plant cell and not an animal cell?
The Cell Wall and the Chloroplast.
What is the function of a vacuole in a Guard Cell?
Vacuoles in guard cells help regulate the movement of water and ions in and out of the cell, which in turn affects the opening and closing of the stomata. The vacuole can change its volume to control the turgidity of the guard cell, leading to the opening and closing of the stomatal pore for gas exchange.
What is the special features of guard cell?
Guard cells contain chloroplasts for photosynthesis, have a kidney bean shape that allows for stomatal opening and closing, and regulate gas exchange in plants by controlling the size of stomatal pores.
In what cell does most photosynthesis happen?
guard cell and palliside cell
Is a guard cell a tissue a organ or a cell?
A guard cell is a type of cell found in the epidermis of plant leaves. It is not a tissue or an organ; rather, it is a specialized cell responsible for regulating the opening and closing of stomata to control gas exchange and water loss in plants.
When a potassium ion (K ) enters a guard cell it creates a solution of?
When a potassium ion (K+) enters a guard cell, it creates a solution with a higher osmotic potential inside the cell than outside. This influx of K+ ions increases the osmotic pressure within the guard cell and leads to the uptake of water, causing the guard cell to swell and ultimately leading to stomatal opening.
What is the controls the movement into and out of cell?
prison guard
What controls the size the stoma?
a guard cell.
What would happen if the cell of a developing plant did not differentiate into guard cells?
the cell will died
What are the key features that can be observed when examining an onion cell under a microscope, and how are these features labeled for identification?
When examining an onion cell under a microscope, key features that can be observed include the cell wall, cell membrane, cytoplasm, and nucleus. These features are labeled for identification based on their distinct shapes, sizes, and locations within the cell.
What is the purpose of the guard cell in a plant?
for exchange of gases
The scientific name for a guard cell?
The scientific name for a guard cell is stoma guard cell. These specialized cells are located in the epidermis of plant leaves and regulate the opening and closing of stomata to control gas exchange and water loss.
What two features can be found in the plant cell but not in the animal cell?
cell wall
What are the features of a cell?
chloroplasts, cell wall, permanent vacuole, cell membrane
