The endosymbiotic theory proposes an explanation of the originof mitochondria, chloroplasts, and eukaryotic cells. Discuss theevidence for this theory. Are you convinced?

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Patrina SchowalterLv2

29 Sep 2019

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Which of the following statements about the endosymbiotic theory is false?

A. Eukaryotic cells engulfed the ancestral bacteria from which mitochondria and chloroplasts are derived, and the two entities formed a symbiotic relationship.

B. The entire genome of the ancestral bacteria has been preserved in present-day mitochondria and chloroplasts.

C. Mitochondria and chloroplasts arose independently from free-living bacteria.

D. The ancestral bacteria, from which mitochondria and chloroplasts are derived, were capable of photosynthesis and aerobic respiration.

1) In either your textbook or the World Wide Web, look up Endosymbiotic Theory and answer the following questions.

a) State the Endosymbiotic Theory.

b) According to the Endosymbiotic theory, what is the evolutionary origin of chloroplasts and mitochondria? Give separate answers for each organelle.

c) What lines of evidence are offered to support this theory? Be thorough in your answer. Give references (tell where you obtained your information).

d) Do you think the evidence is convincing enough to support the theory? Why or why not?

Include intext citations (APA format) and APA citation at the end

The endosymbiotic theory states that some eukaryotic organelles were once independent prokaryotic organisms that were engulfed by the eukaryote and retained. Mitochondria have several characteristics that offer evidence to support this theory. For each, how does this characteristic support this theory?

a) Mitochondria are surrounded by a double membrane

b) Mitochondria contain a single chromosome that is loop-shaped.

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The endosymbiotic theory proposes an explanation of the originof mitochondria, chloroplasts, and eukaryotic cells. Discuss theevidence for this theory. Are you convinced?

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