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In bright light, guard cells in plants accumulate potassium ions, which causes water to enter the cells through osmosis. This influx of water increases turgor pressure, leading to the swelling of the guard cells and the opening of the stomatal pore. The opening allows for increased gas exchange, facilitating photosynthesis by allowing carbon dioxide to enter and oxygen to exit. Thus, the stomata regulate gas exchange in response to light conditions.
What else can I help you with?
Blood containing red blood cells filled with oxyhemoglobin are what color?
Blood containing red blood cells filled with oxyhemoglobin appears bright red.
What microscope shows cells against a bright background and also shows intracellular structures of unstained cells based on their varying densities?
bright-field
Guard cells surround and control the opening of the?
Stomata
Will the size of an unboiled strip of potato increase when placed in distilled water for 2 hours?
Yes, because the distilled water has higher water potential as compared the the strip potato, so water will enter the potato by osmosis, through a partially permeable membrane, causing it to increase in size (:
Is leukemia an increase or decrease of white blood cells?
Leukemia is an increase in the number of abnormal white blood cells in the bloodstream. These abnormal cells do not function properly and can crowd out normal white blood cells, leading to a weakened immune system.
What can happen to animal cells when placed in a hypotonic solution explain?
What can happen to animal cells when placed in a hypotonic solution explain
Will the size of a celery cell placed in a container of salt water increase decrease or stay the same?
The size of a celery cell placed in a container of salt water will decrease. This is due to osmosis, where water moves out of the celery cells to the area with a higher concentration of salt outside the cells. As water leaves the cells, they lose turgor pressure, causing the celery to become limp and shrink.
What cells guard the opening and closing of the stomata?
The guard cells are specialized cells that control the opening and closing of the stomata in plant leaves. They can change shape to regulate the exchange of gases and water vapor between the leaf and the surrounding environment.
What is the opening in the epidermis called?
The opening is called a stomata, which is regulated by two guard cells.
What is the of guard cells?
the function of guard cells are that they control the opening and closing of the stoma
Do all cells have such bright colors as the animal cell?
no'
What microscope shows cells against a bright background and also shows intracellular structures of unstained cells based on their varying densities?
bright-field
Blood containing red blood cells filled with oxyhemoglobin are what color?
Blood containing red blood cells filled with oxyhemoglobin appears bright red.
What the function of guard cells?
the function of guard cells are that they control the opening and closing of the stoma
What are the functions of support cells?
protect the opening on leaves
Guard cells surround and control the opening of the?
Stomata
Why do they call red blood cells red blood cells?
RBC's can be bright red when they are exposed to Oxygen.
