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Multiple Choice
Which of the following is not an organelle that prokaryotic and eukaryotic cells share?
A
Ribosome
B
Nucleus
C
Plasma membrane
D
Cytoplasm
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Verified step by step guidance
1
Step 1: Understand the definition of organelles and the difference between prokaryotic and eukaryotic cells. Organelles are specialized structures within cells that perform distinct functions.
Step 2: Identify organelles common to both prokaryotic and eukaryotic cells. Ribosomes, plasma membrane, and cytoplasm are found in both cell types.
Step 3: Recognize that the nucleus is a membrane-bound organelle that contains genetic material and is present only in eukaryotic cells, not in prokaryotic cells.
Step 4: Compare each option to determine which organelle is exclusive to eukaryotic cells. Since ribosomes, plasma membrane, and cytoplasm are shared, the nucleus is the one not shared.
Step 5: Conclude that the nucleus is the organelle not shared by prokaryotic and eukaryotic cells.