ABA is capable of moving both up and down the stem.
The various roles of ABA are
? Stimulates the closure of stomata (water stress brings about an increase in ABA synthesis).
? Inhibits shoot growth but will not have as much affect on roots or may even promote growth of roots.
? Induces seeds to synthesize storage proteins... displayed 300 characters
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When the transpiration stream is reduced, this eliminates primarily the apoplastic flow of water.
? When the stomates are closed, a higher transcellular flow may be required. We have also reduced the transpiration stream by growing the plants under high humidity (85% RH) and this also causes the Pos of the leaf protoplasts to increase significantly... displayed next 300 characters
Stress varies in intensity and duration. Stress that lasts a short period of time can rapidly motivate us. However, a stressor that lasts too long, happens too often, or is too strong may bring us physical, behavioral, and psychological problems...
In this case, the adult will not be able to adhere to the position without bringing on stress from being overwhelmed. This adult will be a poor communicator causing a hindrance in the career field, and besides the added stress of new job duties, the adult may not feel confident to perform his or her duties (Nevid & Rathus, 2005)...
Because of nerve_related diseases, stress people have to pay much both money and time for their treatment.
To sum up, the majority reasons blaming for stress are the pressure of work and the anxiety of the family...
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