The right answer is the first phase of the general adaption syndrome.
The concept of stress was introduced by Hans Selye. He describes the mechanism of the adaptation syndrome, that is to say all the modifications that allow an organism to bear the consequences of a natural or operative trauma.
In fact, it is the double-perception of a state of divergence between a demand for adaptation at a given moment and the ability to cope with it. It is an energy expenditure. It can be positive or negative.
The stress syndrome evolves in three successive stages:
*"Alarm reaction": the defense forces are mobilized
*"Resistance stage": adaptation to the stressor
*"Stage of exhaustion": inexorably reached if the stressor is sufficiently powerful and acts a long time.
Answer:
D, over the past Billions of years, our atmosphere has formed to protect life.
A. True
Aldosterone stimulates the Na+/K+ pump in renal tubules to exchange Na+ (sodium) for K+ (potassium). This, using ATP energy for active transport, leads to reabsorption of sodium into the bloodstream and secretion of potassium into the urine.
He fluid mosaic model of the plasma membrane. The fluid mosaic model of the plasma membrane describes the plasma membrane as a fluid combination of phospholipids, cholesterol, and proteins. Carbohydrates attached to lipids (glycolipids) and to proteins (glycoproteins) extend from the outward-facing surface of the membrane<span>.</span>
It splits in half, it was 46 chromosomes but now it 23 chromosome, one from each gamete cell, one from mum and dad, makes up 46 chromosomes.
