plsss help why are there some common organelles across all cell types and how is that related to their function?

Core organelles are found in virtually all eukaryotic cells. they carry out essential functions that are necessary for the survival of cells -- harvesting energy making new proteins getting rid of waste and so on it core organelles include the nucleus mitochondria endoplasmic reticulum and several others

answer; /// i believe that the correct answer is (50%);

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.