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Opening and closing of stomata is achieved by the guard cells?
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∙ 13y ago
By endo-osmosis and exo-osmosis.
Wiki User
∙ 13y ago
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Why are stomata and guard cells called turgor operated valves?
This is so because their opening and closing is determined by their turgidity.
Are chloroplast present in guard cells?
Yes, chloroplasts are present in guard cells. Guard cells are specialized cells found in the epidermis of plant leaves and stems that regulate the opening and closing of stomata. Chloroplasts, which contain the green pigment chlorophyll, are responsible for photosynthesis and are necessary for the energy production needed for the opening and closing of stomata.
What is paracytic stomata?
Paracytic stomata are a type of stomata found in the leaves of plants. They have two subsidiary cells that are parallel to each other and perpendicular to the opening of the stomata pore. This arrangement helps regulate the opening and closing of the stomata to control the exchange of gases and water vapor with the environment.
What is the relationship between guard cells and stomata?
Guard cells are cells on the edges of the stomata of a leaf. The stomata are very small pores that control water loss and keep the plant from drying out. When Abscisic Acid (ABA) - a stress hormone - is present, the Potassium ions (K+ ions) from the guard cells leave the guard cells for an unknown reason. This causes the stomata to close. Basically, guard cells assist stomata in opening/closing
Which structure is responsible for the opening and closing of stomata?
guard cells
What ions involve the opening and closing of stomata?
Potassium ions, they contribute to the control of turgidity of guard cells, and thus the opening and closing of stomata.
Cells that form edges of the stomata?
Guard cells. They are bean-shaped and this allows for the opening and closing of stomata.
What cells guard the opening and closing of the stomata?
Stomatal pores in plants regulate the amount of water and solutes within them by opening and closing their guard cells using osmotic pressure. Guard cells and adjacent subsidiary cells are involved in opening and closing of stomata.
What does the guard do?
Gaurd cells help in opening and closing of stomata
What does guard cells do on a leaf?
Control the opening and closing of the stomata.
How does turgor pressure affects the opening and closing of stomata?
The stoma is "turgor operated valve". The opening and closing of stoma is regulated by the turgidity of guard cells. The stomata are open when the guard cells are turgid. On losing turgidity in guard cells, the stomata closes.
What does the guard cell?
Gaurd cells help in opening and closing of stomata
Are guard cells part of the stomata or does stomata only refer to the pore on the lower surface of the leaf?
The stomata are the pores and the guard cells control the opening and closing of these pores.
The type of cell that controls the opening and closing of stomata is called?
guard cells
How the opening and closing of leaf stomata is controlled?
The stomata are controlled by two epidermal cells called guard cells. When water flows in, the guard cells swell up and closes the stomata. When the water leaves, it becomes flaccid and opens the stomata.
How is the opening and closing of stomata controlled?
The guard cells controll the opening and closing of the statoma!
Why are stomata and guard cells called turgor operated valves?
This is so because their opening and closing is determined by their turgidity.
