Endosymbiotic Theory Video Lessons

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Concept: Endosymbiotic Theory

Problem: Which of the following facts support the endosymbiotic hypothesis? Check all that apply.A) Mitochondria and chloroplasts have a single circular chromosome.B) Mitochondria and chloroplasts divide by mitosis.C) Mitochondria and chloroplasts have 70S ribosomes.D) Mitochondria and chloroplasts have histones to organize their chromosomes.E) Mitochondria and chloroplasts have peptidoglycan in their cell walls.

FREE Expert Solution

Endosymbiotic Theory:

1. Nuclear envelope is formed.

2. Proteobacteria is incorporated → becomes mitochondrion

3. Cyanobacteria is incorporated → becomes chloroplast

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Problem Details

Which of the following facts support the endosymbiotic hypothesis? Check all that apply.

A) Mitochondria and chloroplasts have a single circular chromosome.

B) Mitochondria and chloroplasts divide by mitosis.

C) Mitochondria and chloroplasts have 70S ribosomes.

D) Mitochondria and chloroplasts have histones to organize their chromosomes.

E) Mitochondria and chloroplasts have peptidoglycan in their cell walls.

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