Which organelle is most likely to be found in both Archaea and Bacteria and why?

Both require chloroplasts for photosynthesis.

Both have mitochondria to provide energy for the cell.

Both need a nucleus in which to store their DNA.

Both use ribosomes to synthesize proteins.

Question

Which organelle is most likely to be found in both Archaea and Bacteria and why?

 Both require chloroplasts for photosynthesis.

Both have mitochondria to provide energy for the cell.

Both need a nucleus in which to store their DNA.

Both use ribosomes to synthesize proteins.

anonymous · Answer

http://www.biology-online.org/biology-forum/about2034.html Postby MrMistery » Sun Aug 14, 2005 7:35 pm For the first question: Similarities: -both are procaryotes(and everything that this includes) Differences: -the DNA of Archea has introns -the 16S ribosomal RNA in the small subunit of Archea ribosoms resembles more to the 18S rRNA of eukaryotes that the 16S of bacteria -the lack of murein in the cell wall of Archea, when it is present -the very different composition of lipids in the cell membrane -different behaviour towards toxins and antibiotics