All cells have a power plant, the mitochondrion. Plant cells have an additional “reactor” for the production of usable energy. It is called the

Think of the cell as a factory, in which the organelles are specialized sites of production. All cells have a power plant, the mitochondrion. Plant cells have an additional “reactor” for the production of usable energy. It is called the ________.

a) golgi body
b) rough endoplasmic reticulum
c) central vacuole
d) vesicle
e) chloroplast