Plato answer:
Stimulation of a neuron causes a change in the charge inside the cell from negative to positive. This change is caused by ions, which are atoms with an electrical charge, moving across the cell. This change within the cell is consistent with the definition of an electric charge.
protein digestion begins when you first start chewing. there are two enzymes in your salvia called amylase and lipase. they most break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid enzymes called proteases break it down into smaller chains of amino acids
There are three populations
you= 1 population
dog= 1 population
Cat= 1 population
total =3 populations.
A molecule is formed when two or more atoms<span> join together chemically. A compound is a molecule that contains at least two different </span>elements<span>. All compounds are molecules but not all molecules are compounds.
Hope this helps.</span>