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What do a pine tree, an octopus, and a bacterium have in common at the cellular level?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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In which way are bacteria and eukaryotes the same?
A
Both use ribosomes to synthesize proteins.
B
Both possess membrane-bound organelles such as mitochondria.
C
Both have cell walls made of cellulose.
D
Both have their DNA enclosed within a nucleus.
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Understand the key differences between bacteria (prokaryotes) and eukaryotes. Bacteria are simpler organisms without membrane-bound organelles, while eukaryotes have complex structures including a nucleus and organelles like mitochondria.
Review the role of ribosomes in both bacteria and eukaryotes. Ribosomes are universal structures used by all living cells to synthesize proteins, regardless of whether the organism is a prokaryote or eukaryote.
Analyze the statement about membrane-bound organelles. Bacteria do not possess membrane-bound organelles such as mitochondria, which are exclusive to eukaryotic cells.
Evaluate the claim about cell walls made of cellulose. Bacteria typically have cell walls made of peptidoglycan, not cellulose, which is found in the cell walls of plants (a type of eukaryote).
Examine the statement about DNA enclosed within a nucleus. Bacteria have their DNA in a nucleoid region, not enclosed within a nucleus, whereas eukaryotes have their DNA enclosed within a nuclear membrane.
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