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What cell in a leaf are like a balloon?
The guard cell of stomata look like a balloon when it is turgid. Two such cells form the pore of the stomata. When both guard cells of a stomata are deflated by exo-osmosis the stomatal pore is closed.
What regulates the stomata?
The guard cells open and close the stomata as needed.
Why do a leafs stomata open and close?
Changes in the osmotic potential of gaurd cells make that stomata open or closed
How do gases enter and escape from leaves?
Gases enter and exit a leaf through stomata. These are openings in the epidermis which are regulated by guard cells. Guard cells decide which gases can go in and out. The gas that goes in is carbon dioxide and the gas that goes out it oxygen.
The stomata of leaves are usually open in?
in the day
What causes the stomata on leaves open?
Daylight
Does a cacti open its stomata during the day?
no!
Why do stomata's need to be open?
To maintain homosigius
How does a plant get its gas needs for photosynthesis?
the stomata open
What structures open or close the stomata?
the guard cells
Water vapor moves out of leaves through open stomata This process is known as?
Transpiration
Why do leaves stomata shut at night?
They shut because with the stomata open it is too drafty and the plant can't get to sleep.
