Answer: Transport proteins act as doors to the cell, helping certain molecules pass back and forth across the plasma membrane, which surrounds every living cell. In passive transport molecules move from an area of high concentration to an area of low concentration.
When organisms produce more offspring than survive, the area can become overcrowded, and they will compete for nutrients and other resources and necessities.
Mechanical digestions is usually associated with the mouth. You mechanically chew the food and saliva breaks it down. Chemical digestion occurs in the stomach where stomach acid breaks it down.
<span>Timothy most likely suffered from schizophrenia. The symptoms of psychotic disorder correlate with the symptoms of schizophrenia. Clinical psychology helps with treatment through talking while neurologist treat through brain surgeries.</span>
