객관식
Which of the following is a characteristic that you could look for to determine if a cell has undergone secondary endosymbiosis?
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27. Protists
Evolution of Protists
객관식
Which of the following is a benefit that eukaryotes gained via endosymbiosis?
A
Endosymbiosis allowed eukaryotes to have a structurally solid cell wall.
B
Endosymbiosis allowed eukaryotes to survive in extreme environments.
C
Endosymbiosis allowed eukaryotes to obtain energy via sunlight (photosynthesize).
D
All of the above.
검증된 단계별 안내1
Understand the concept of endosymbiosis: Endosymbiosis is a symbiotic relationship where one organism lives inside the other. In the context of eukaryotic cells, it refers to the origin of mitochondria and chloroplasts, which were once free-living bacteria that were engulfed by ancestral eukaryotic cells.
Identify the benefits of endosymbiosis: The primary benefits that eukaryotes gained from endosymbiosis include the ability to perform aerobic respiration (via mitochondria) and photosynthesis (via chloroplasts).
Evaluate the options given in the problem: The first option, 'Endosymbiosis allowed eukaryotes to have a structurally solid cell wall,' is incorrect because cell walls are not a result of endosymbiosis. The second option, 'Endosymbiosis allowed eukaryotes to survive in extreme environments,' is not directly related to endosymbiosis.
Focus on the correct benefit: The correct benefit mentioned is 'Endosymbiosis allowed eukaryotes to obtain energy via sunlight (photosynthesize),' which is accurate because chloroplasts, derived from endosymbiotic cyanobacteria, enable photosynthesis.
Conclude with the correct answer: Based on the evaluation, the correct answer is that endosymbiosis allowed eukaryotes to obtain energy via sunlight (photosynthesize), as this is a direct result of the endosymbiotic origin of chloroplasts.
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