Prokaryotes and Eukaryotes Are Distinguished Mainly by Whether Internal Membrane-Bound

question 37

Multiple Choice

Prokaryotes and eukaryotes are distinguished mainly by whether internal membrane-bound organelles are present. Are prokaryotes at an evolutionary disadvantage because they do not have organelles?

• A) Yes. Without organelles, prokaryotic cells cannot photosynthesize or respire.
• B) Yes. Without organelles prokaryotes are unable to bring together the reactants needed for biological reactions.
• C) No. Prokaryotic cells are less efficient than eukaryotic cells, but they are still able to carry out the processes necessary to sustain life and reproduction.
• D) No. Eukaryotic organelles are expelled each time the cell divides.

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