The reversible uptake and loss of potassium ions (K+)
The mechanism that causes stoma to open involves the regulation of osmotic pressure. The loss of potassium ions (K+) and the reversible uptake maintain the good conditions of the guard cells.
Guard cells would close the stomata to prevent excess water loss through transpiration, normally when the weather is extremely hot or there is a lack of ground water. This is a regulatory mechanism to prevent dehydration.
simple diffusion
A positive feedback mechanism is a system the responds to perturbation in the same direction as the perturbation. A positive feedback mechanism allow cells to adapt to changes in their environment rapidly and efficiently. Positive feedback allows cells to reach new levels of equilibrium corresponding to the stimulus in the environment
Cancer is the disorder that causes someone's own cells in their body to lose the ability to control growth.
It causes the cell to split into four haploid cells.
To prevent excess water loss through transpiration - normally when the weather is extremely hot or there is a lack of ground water. This is a regulatory mechanism to prevent dehydration.
When cells are turgid.
carbondioxide
true :)
There are openings on the underside of a leaf called stomates. They have guard cells shaped like lips. They open and close to allow CO2 in and H2O and O2 out. It works using hydrostatic pressure.
Polycythemia causes an increase in red blood cells. Polycthemia occurs when there is an over abundance of red blood cells made by the bone marrow or chronic low oxygen levels.
The cells do not carry out cell division when they come in contact with each other. This causes uncontrolled cell growth, which can lead to severe conditions such as cancer.
mechanism of main cells in a kidney?
maintain homeostasis.
none
Allergies result when antigens from allergens bind to mast cells, which release histamines, which in turn cause increased blood flow, sneezing, runny nose, and watery eyes.
TRUE