It has been proposed that mitochondria and chloroplasts are modern descendants of early prokaryotic cells that began to reside and gradually evolve within primitive cells?
Which statement supports this view?
A) mitochondria and chloroplasts both have prokaryotic ribosomes
B) mitochondria and chloroplasts cannot conduct protein synthesis
C) prokaryotic cells, mitochondria, and chloroplasts are void of any DNA
D) mitochondria and chloroplasts are found in all modern prokaryotic cells
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Answer:
The Endosymbiotic Theory
There is compelling evidence that mitochondria and chloroplasts were once primitive bacterial cells. This evidence is described in the endosymbiotic theory. How did this theory get its name? Symbiosis occurs when two different species benefit from living and working together.
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Mitochondria and chloroplasts both have prokaryotic ribosomes
Explanation:
- Endosymbiotic theory says that eukaryotes are developed from prokaryotes when larger prokaryotes engulfed smaller prokaryotes. Then these two organisms lived in symbiotic relationship to many years and evolved into eukaryotic cells.
- Chloroplast and mitochondria in eukaryotes support this theory because both chloroplast and mitochondria have their own single circular genetic material like prokaryotes.
- They are also double-membrane structures with 70S type ribosomes which is characteristic of prokaryotic cells.
Learn more about endosymbiosis:
- Evidence of endosymbiosis: https://brainly.in/question/7435189
- Secondary endosymbiosis: https://brainly.in/question/9191414
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