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Biology 14 Online
OpenStudy (fatir5):

Why does a cell's mitochondria has 70s ribosomal particles although eukaryotic cells have 80s particles ?

OpenStudy (smoore777):

It is like this because eukaryotic particles need more energy, and they need more particles to produce more energy faster.

OpenStudy (smoore777):

I think. I'm not exactly sure...

OpenStudy (fatir5):

Can you relate energy with ribosomal particles?

OpenStudy (fatir5):

Hello @jabez177 Don't just look around :p Got a question for ya!

OpenStudy (scoobydoobydoo):

E cells are bigger. They need more... "strength"... for lack of better words.

OpenStudy (fatir5):

So I figured it out. Mitochondria were prokaryotes initially that were ingested by some primitive eukaryotes and instead of digesting them, they developed a symbiotic relationship with those prokaryotes. Eukaryotes got food from them, while prokaryotes were given shelter and thus they developed into organelles that we know nowadays as mitochondria. Since prokaryotes had 70s ribosomal particles, that is still retained in this organelle. See mitochondria also have its DNA.

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