In my opinion I think it is.
Most important are the many striking similarities between prokaryotes (like bacteria) and mitochondria: Membranes — Mitochondria have their own cell membranes, just like a prokaryotic cell does. DNA — Each mitochondrion has its own circular DNA genome, like a bacteria's genome, but much smaller.
All cells have DNA, cytoplasm, and ribosomes
Answer:
A. A scientific explanation for a set of observations that can be tested.
Explanation:
Theories can be proven or rejected, just like hypotheses.
Hope this helps!
