Answer: cofactors.
Explanation:
Epinephrine, insulin and auxins are cofactors.
Cofactors are non protein substance which activate enzymes activity by increasing the rate of chemical reaction of enzymes. They are organic molecules and they assist in enzyme activity. They exist in performing some reactions the enzymes cannot perform alone.
For example, insulin activate enzyme hexokinase which phosphorylate glucose.
Egyptian Mau!! That is one of my favorite breeds following the Black Histered Long-Haired Persian! Hope this helps :)
The answer would be true!
One way to remove dirt and harmful substances from water is by filtering.