Question

do all cells have to do cellular respiration?
no, because only some cells use energy
yes, because all cells need energy

Explanation:

Cellular respiration is the process by which cells obtain energy in the form of ATP. All cells need energy to carry out their functions, whether they are prokaryotic or eukaryotic. So, all cells must perform cellular respiration, either aerobic or anaerobic.

Answer:

Yes, because all cells need energy