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Guard cells are on the surface of plant leaves and surround each stomata (small pores all over the leaf surface). Stomata control the release of gases, including water vapor. During a drought plants occasionally look droopy but still alive, the plant looks wilted because its guard cells are preventing loss of moisture from the stoma (plural of stomata). When defining stomata, it is made of two parts: the pore (opening) itself, and the (2) guard cells around it.

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What are the names of the specialized cells that control the aperture of the hole of the stomata?

The specialized cells that control the aperture of the stomata are called guard cells. These cells change shape to open and close the pore of the stomata, thus regulating gas exchange and transpiration in plant leaves.


What are the types of specialized cells in plant?

Some types of specialized cells in plants include parenchyma cells (for storage and photosynthesis), xylem cells (for water transport), phloem cells (for nutrient transport), and guard cells (for regulating gas exchange). These cells play specific roles in supporting the functions of the plant.


How many kinds of cells does the lower epidermis have?

The lower epidermis typically consists of a single layer of cells, mainly containing guard cells, subsidiary cells, and stomata. Guard cells control the opening and closing of stomata to regulate gas exchange and water loss in the leaf. Subsidiary cells provide support to the guard cells in carrying out their function.


What is the function of stomata and guard cells?

There are a large number of tiny pores called stomata on the surface of leaves of plants (The singular of stomata is stoma).Each stomatal pore (or stoma) is surrounded by a pair of guard cells .The opening & closing of stomatal pores are controlled by the guard cells.


Are guard cells in a animal cell?

Guard cells are not found in animal cells; they are unique to plant cells. Guard cells are specialized cells located in the epidermis of plant leaves and stems. Their main function is to regulate the opening and closing of stomata, small pores that allow for gas exchange and water loss in plants. The presence of guard cells is crucial for the adaptation of plants to changing environmental conditions.

Related Questions

What is the function of the guard cells in regulating gas exchange in a leaf?

The stoma opens and closes to allow gas exchange. The Guard cells are located around the stoma and regulate the opening and closing of the stoma.


Are there chloroplasts in subsidiary cells?

Subsidiary cells do not typically contain chloroplasts. Chloroplasts are found in the guard cells of plant stomata, where they play a role in regulating gas exchange. Subsidiary cells primarily function in supporting and assisting the guard cells in their role in controlling stomatal opening and closing.


What is the function of guard cells in regulating transpiration and wilting?

Guard cells play a crucial role in regulating transpiration and preventing wilting in plants. They control the opening and closing of stomata, small pores on the surface of leaves. When the guard cells uptake water, they swell and the stomata open, allowing gas exchange for photosynthesis and transpiration. Conversely, when guard cells lose water, they shrink and close the stomata, preventing excessive water loss and wilting.


What are the names of the specialized cells that control the aperture of the hole of the stomata?

The specialized cells that control the aperture of the stomata are called guard cells. These cells change shape to open and close the pore of the stomata, thus regulating gas exchange and transpiration in plant leaves.


What is the difference between a guard cell and other cells?

Answer1. Guard cells have chloroplast, epidermal cells do not have.2. Guard cells are much smaller than the epidermal cells.3. The cell walls of guard cells are not uniform, inner walls are thicker than the outer walls. epidermal cells are unformly thin.


What cells of the epidermis control sizes of stomata?

Guard cells are specialized cells in the epidermis of leaves that control the size of stomata. They are responsible for regulating the opening and closing of the stomatal pores to allow gas exchange and regulate water loss.


Is guard cell animal or plant?

Plant. It is on the surface layers of a leaf.


What are the specialised cells in a flower?

Specialized cells in a flower include the guard cells in the stoma for regulating gas exchange, pollen grains for reproductive function, and trichomes for protection and secretion. Each of these cell types plays a specific role in the overall function and survival of the flower.


What the function of guard cells?

the function of guard cells are that they control the opening and closing of the stoma


Are guard cell haploid or diploid?

Guard cells are diploid, meaning they have two sets of chromosomes. They are specialized cells found in the epidermis of plant leaves and are involved in regulating gas exchange and transpiration by controlling the opening and closing of stomata.


What is the cell that makes up the stoma?

The cells that make up the stoma are known as guard cells. These specialized cells are responsible for regulating the opening and closing of the stomata to control gas exchange and water loss in plants.


What is the function of stroma guard cells?

Stroma is a fluid-filled area in the chloroplast that plays a role in the Calvin cycle, where carbon fixation occurs. Guard cells regulate the opening and closing of stomata, controlling gas exchange and water loss in plants. Both stroma and guard cells are essential for proper photosynthesis and plant function.