Explanation:
cells have proteins called receptors that bind to signaling molecules and initially I ate a physiological response...because membrane receptors interact with both exteacellar signals molecules within the cell, they permit signaling molecules to affect cell function without actually entering the cell.
Answer:
Organic molecules are composed primarily of carbon atoms bound to other atoms and most inorganic molecules are not.
Explanation:
Answer: Population growth is based on birth rate, death rate, immigration, and emigration of the area
Explanation:
This can be known as the style. More specifically the pollen tube carried the pollen to the ovaries.