In: Biology
Ribosomes can normally be found in all of the following eukaryotic cell locations except:
A. the outer nuclear membrane
B. the rough endoplasmic reticulum
C. the mitochondrion
D. the inner nuclear membrane
E. the chloroplast
the correct option is D- the innermost membrane. Ribosomes are not seen in this region.
The ribosome is a cell organelle that is found in both prokaryotes and eukaryotes. It is present in large numbers in all living cells and serves as the site of protein synthesis
option A is incorrect because the outer nuclear membrane is continuous with membrane of the rough endoplasmic reticulum and numerous ribosomes are attached to the surface.
option B is incorrect because Rough endoplasmic reticulum is called rough due to the ribosomes attached to its surface.
the option C is incorrect because Mitochondrial ribosomes are responsible for the protein synthesis inside mitochondria, the organelles are responsible for the conversion of energy and ATP production in eukaryotic cells.
option E is incorrect because ribosomes are seen in the chloroplasts of mitochondria of eukaryotes are comprised of big and small subunits composed of proteins inside a 70S particle.