Multiple Choice
What is the smallest unit of an organism that is classified as living?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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Which of the following structures is present in both eukaryotes and prokaryotes?
A
Nucleus
B
Ribosomes
C
Mitochondria
D
Chloroplasts
Verified step by step guidance1
Begin by understanding the basic differences between eukaryotic and prokaryotic cells. Eukaryotic cells have membrane-bound organelles, including a nucleus, while prokaryotic cells do not.
Identify the structures listed in the problem: Nucleus, Ribosomes, Mitochondria, and Chloroplasts.
Recall that ribosomes are the cellular structures responsible for protein synthesis and are found in both eukaryotic and prokaryotic cells.
Understand that the nucleus, mitochondria, and chloroplasts are membrane-bound organelles found only in eukaryotic cells.
Conclude that ribosomes are the only structure listed that is present in both eukaryotes and prokaryotes.
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