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Which of the following structures serves the same purpose as the inner membrane and matrix of the mitochondrion with regard to their roles in aerobic respiration?

A) ribosomes
B) cell membrane
C) cytoplasm
D) nuceloid
E) both choices B and C

1 Answer

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Final answer:

The structures analogous to the inner membrane and matrix of the mitochondria in prokaryotes are the cytoplasmic membrane and cytoplasm, respectively. Therefore, the correct answer is E) both choices B and C.

Step-by-step explanation:

The structure that serves the same purpose as the inner membrane and matrix of the mitochondrion with regard to their roles in aerobic respiration in prokaryotes is the cytoplasmic membrane (option D). The electron transport chain for aerobic respiration in prokaryotes is located in the cytoplasmic membrane, which is analogous to the inner mitochondrial membrane in eukaryotes.

Furthermore, the cytoplasm of prokaryotes contains the metabolic enzymes and functions similarly to the mitochondrial matrix where the Krebs cycle occurs. Since prokaryotic cells lack mitochondria, these functions are integrated into their cytoplasm and cytoplasmic membrane. Therefore, the correct answer to the question is B) cell membrane and C) cytoplasm, making E) both choices B and C the right selection.

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