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Which of these sub-cellular structures is found in both eukaryotes and prokaryotes?
A
Ribosomes
B
Mitochondria
C
Chloroplasts
D
Nucleus
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1
Understand the basic differences between eukaryotic and prokaryotic cells. Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.
Identify the sub-cellular structures listed in the problem: Ribosomes, Mitochondria, Chloroplasts, and Nucleus.
Recall that ribosomes are the sites of protein synthesis and are found in both eukaryotic and prokaryotic cells, making them a common structure.
Recognize that mitochondria and chloroplasts are membrane-bound organelles found only in eukaryotic cells, specifically in plants and some protists for chloroplasts.
Understand that the nucleus is a defining feature of eukaryotic cells, containing the cell's genetic material, and is absent in prokaryotic cells.