It means that the cell must only let in certain items and must only allow a certain amount of something into the cell
From google- If you eat too much sugar your body's demand for insulin increases.Insulin is a hormone in which it helps the body turn food into usable energy.When levels of insulin are consistent ly high the body's sensitivity to hormone reduces in which then glucose will build up in blood.
Answer:
Point mutation
Explanation:
Since it does not alter the amino acid, it would be a point mutation (unless if it did change the amino acid, it would be a frameshift mutation).
Alkali metals displace Hydrogen from H2O in order to make the Hydroxide ion, the displaced Hydrogen is formed as H2 gas.