Answer: Two or more atoms held together with bonds make up a molecule.
Explanation:
The answer to this question relates to the evolution of prokaryotic cells. The first simple prokaryotic cells likely evolved mitochondria from a cell that engulfed an aerobic prokaryotic cell, resulting in<span> an endosymbiotic relationship, and gradual development into a </span>mitochondrion. Something similar happened in regards to chloroplasts, except the original cell engulfed was probably a simple photosynthesising bacteria such as <span>cyanobacteria.</span>
Answer:
The answer is Bone Marrow
Explanation:hope this help :3.....bye
