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The guard cells synthesize glucose through photosynthesis in the presence of light. as glucose accumulates, osmotic pressure increases and this enables them to draw water from adjacent epidermal cells by osmosis. this makes the guard cells turgid and the stomata opens. at night, there is no photosynthesis and therefore glucose levels go down leading to lowering of osmotic pressure. guard cells lose turgidity and become flaccid and therefore stomata closes. Am sure you can derive your answer from this.

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14y ago
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12y ago

The guard cells that surround the stomata and open and close the stomata as needed to take in CO2, or to conserve water.

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12y ago

Usually, the stomata regulates the amount of carbon dioxide the plant needs to take in for photosynthesis, and the amount of oxygen that is a product of the reaction (photosynthesis).

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15y ago

Guard Cells Guard Cells

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Q: What regulates the size of the stomata on a leaf?
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Related questions

Are stomata found in a leaves epidermis?

The leaf and stem epidermis is covered in stomata, or pores. The stomacomplex regulates gas and water exchange in the leaf.


Specialized structures that allow gas to enter and leave leaf?

Stomata


What regulates the stomata?

The guard cells open and close the stomata as needed.


Do lotus leaf have stomata?

Yes they do! All leaves have stomata, but the lotus's stomata are on the top of the leaf, not the bottom.


Does a Stomata control opening and closing of the openings in the leaf?

A stomata is the openings in the leaf.


How does carbon dioxide and oxygen enter and leave the leaf?

stomata


What is the small opening under a leaf called?

Stomata


What leaf structure adjusts the size of the stomata?

The amount of sunlight


What are small pores on the leaf surface called?

stomata :) i think...


What is the whole between two guard cells in a leaf called?

It's called a stoma (plural stomata) and its function is to allow carbon dioxide to enter the leaf for photosynthesis. The guard cells sre responsible for regulating the size of the stoma.


How many stomata in a banana leaf?

more than a desert plant as the humidity and temperature allows for this


What is the size difference between the stomata in a crisp lettuce leaf and the stomata in a wilted lettuce leaf?

I believe stomata size will be the same after it enters the thylakoid memberane and wikapedia sucks because anyone can edit the information that is being given ight!!, it may appear small from wilt, stomata's vary in sizes from 100 to 1000 th of a millamitre in all plant species. If the stomata is reduced in size from wilt it will still function, maybe a fraction less that unwilted Lettuce. Regards Wayne Muller Barmac Industries Pty Ltd