Cells: Prokaryotic and Eukaryotic · Zoology

The ribosomes found in prokaryotic cells are typically:

  1. 80S and attached to endoplasmic reticulum
  2. 70S and free in the cytoplasm
  3. 90S and membrane-bound
  4. 60S and located in the nucleus
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Correct answer: 70S and free in the cytoplasm

Prokaryotic ribosomes are smaller 70S ribosomes that float freely in the cytoplasm. Eukaryotic cells mainly contain larger 80S ribosomes in the cytosol and on the rough endoplasmic reticulum.

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