The Origin of the Mitochondrion and Chloroplast Is Hypothesized to Have

question 36

Multiple Choice

The origin of the mitochondrion and chloroplast is hypothesized to have involved

• A)the fusion of two archean cells to form an early eukaryote.
• B)the absorption of RNA from prokaryotic cells.
• C)prokaryotic cells that became internal symbionts within an early eukaryotic cell.
• D)the uptake of free DNA from the environment.
• E)prokaryotic cells being engulfed and becoming external symbionts within an early bacteria cell.

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