The Endosymbiont Hypothesis Proposes All of the Following EXCEPT

question 46

Multiple Choice

The endosymbiont hypothesis proposes all of the following EXCEPT

• A)mitochondria and chloroplasts were once free-living bacteria.
• B)a nucleated cell engulfed an aerobic bacterium which evolved into mitochondria.
• C)prokaryotes evolved when an aerobic bacterium engulfed a cyanobacterium.
• D)chloroplasts originated when a nucleated cell engulfed a cyanobacterium.

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