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Explain the role of endosymbiosis in the appearance of the mitochondria Which is the probable origin of mitochondria in early eukaryotes? Asgard archaea autotrophic bacteria autotrophic archaea Cyanobacteria heterotrophic bacteria with aerobic metabolism heterotrophic archaea with aerobic metabolism

Explain the role of endosymbiosis in the appearance of the mitochondria Which is the probable origin of mitochondria in early eukaryotes? Asgard archaea autotrophic bacteria autotrophic archaea Cyanobacteria heterotrophic bacteria with aerobic metabolism heterotrophic archaea with aerobic metabolism

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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## Understanding Endosymbiosis and Mitochondrial Origins ### Explain the role of endosymbiosis in the appearance of the mitochondria. Endosymbiosis is a critical process that led to the development of mitochondria in eukaryotic cells. This theory suggests that mitochondria originated from a symbiotic relationship between a host cell and an engulfed aerobic bacterium. Over time, the engulfed bacterium evolved into mitochondria, providing the host cell with the capability of efficient energy production through aerobic respiration. This mutualistic relationship allowed both organisms to thrive in an oxygen-rich environment. ### Which is the probable origin of mitochondria in early eukaryotes? - ○ Asgard archaea - ● autotrophic bacteria - ○ autotrophic archaea - ○ Cyanobacteria - ○ heterotrophic bacteria with aerobic metabolism - ○ heterotrophic archaea with aerobic metabolism The highlighted option "autotrophic bacteria" is selected, indicating the probable origin of mitochondria. However, the most widely supported theory is the origin from "heterotrophic bacteria with aerobic metabolism," which is often how mitochondria are described in scientific literature. This suggests a clerical error in the selection, implying the answer might be mistakenly highlighted.
Transcribed Image Text:## Understanding Endosymbiosis and Mitochondrial Origins ### Explain the role of endosymbiosis in the appearance of the mitochondria. Endosymbiosis is a critical process that led to the development of mitochondria in eukaryotic cells. This theory suggests that mitochondria originated from a symbiotic relationship between a host cell and an engulfed aerobic bacterium. Over time, the engulfed bacterium evolved into mitochondria, providing the host cell with the capability of efficient energy production through aerobic respiration. This mutualistic relationship allowed both organisms to thrive in an oxygen-rich environment. ### Which is the probable origin of mitochondria in early eukaryotes? - ○ Asgard archaea - ● autotrophic bacteria - ○ autotrophic archaea - ○ Cyanobacteria - ○ heterotrophic bacteria with aerobic metabolism - ○ heterotrophic archaea with aerobic metabolism The highlighted option "autotrophic bacteria" is selected, indicating the probable origin of mitochondria. However, the most widely supported theory is the origin from "heterotrophic bacteria with aerobic metabolism," which is often how mitochondria are described in scientific literature. This suggests a clerical error in the selection, implying the answer might be mistakenly highlighted.
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Mitochondria is a double membrain bound cell organelle that contain their own DNA (double stranded circular DNA) and capable of producing energy in the form of ATP through the electron transport chain and oxidative phosphorylation.

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