Answer:
One possible cause of persistent sadness could be depression
Explanation:
African Trypanosomiasis or simply Trypanosomiasis, though it's common name is (African) sleeping sickness.
<em>The answer is endoplasmic reticulum</em>
The process which is the breaking down of macromolecules is called Hydrolysis (the breaking of a bond in a molecule using water) This means that polymers are broken down into monomers. This literally means ‘Split water’ and a reaction between an ion and the water molecule is used during used during the breakdown.
