Which of the following statements best supports the claim that certain organelles within eukaryotic cells evolved from free living prokaryotic cells?

a) The cytoplasm of both eukaryotes and prokaryotes is surrounded by a plasma membrane.

b) Eukaryotes and prokaryotes both contain ribosomes, but the ribosomes of eukaryotes are more complex in structure than those of prokaryotes.

c) Eukaryotes exchange segments of internal membranes between the endoplasmic reticulum and Golgi apparatus, but prokaryotes have no such internal membranes.

d) Some organelles contain their own DNA that is more similar to prokaryotic DNA in structure and function than to the eukaryotic DNA found in the cells nucleus.

Question

Biology

Adeline Hartman

17 December, 08:45

Which of the following statements best supports the claim that certain organelles within eukaryotic cells evolved from free living prokaryotic cells?

a) The cytoplasm of both eukaryotes and prokaryotes is surrounded by a plasma membrane.

b) Eukaryotes and prokaryotes both contain ribosomes, but the ribosomes of eukaryotes are more complex in structure than those of prokaryotes.

c) Eukaryotes exchange segments of internal membranes between the endoplasmic reticulum and Golgi apparatus, but prokaryotes have no such internal membranes.

d) Some organelles contain their own DNA that is more similar to prokaryotic DNA in structure and function than to the eukaryotic DNA found in the cells nucleus.

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Answers (1)

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Aaliyah Avery · Answer 1

D

Explanation:

Mitochondria in eukaryotes are believed to have evolved from a symbiotic relationship between protists and prokaryotes. It is proposed that maybe it evolved from protists engulfing prokaryotes as 'food'. The evidence is due to the fact that mitochondria have their DNA that encodes for about 13 proteins used within the organelle. MtDNA is circular in shape which is very similar to the structure of prokaryotic DNA.