The endosymbiotic theory states that chloroplasts and mitochondria evolved as a result of...
A. a prokaryotic cell engulfing a bacterial cell.
B. a eukaryotic cell engulfing a bacterial cell.
C. a bacterial cell engulfing a prokaryotic cell.
D. a bacterial cell engulfing a eukaryotic cell.

Question

The endosymbiotic theory states that chloroplasts and mitochondria evolved as a result of...
A.  a prokaryotic cell engulfing a bacterial cell.
B.  a eukaryotic cell engulfing a bacterial cell.
C.  a bacterial cell engulfing a prokaryotic cell.
D.  a bacterial cell engulfing a eukaryotic cell.

alphadxg · Answer

The only one that actually makes sense is B, because Eukaryotes are the only ones that contain mitochondria.

alphadxg · Answer

@jessica445 did you get this.

anonymous · Answer

@alphadxg  Yes, I was also having difficulties because my teacher gave us this question and everyone said the same thing but Thank you for your help