Ribosomes are designed to produce cellular energy called ATP

Mitochondria (singular = mitochondrion) are often called the “powerhouses” or “energy factories” of a cell because they are responsible for making adenosine triphosphate (ATP), the cell's main energy-carrying molecule. ATP represents the short-term stored energy of the cell.

Explanation:

hope it will help you have a great day bye and Mark brainlist if the answer is correct

~cheayonnie~

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

oxygen +1 most likely