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The discovery of mitochondria and chloroplasts having their own DNA, ribosomes, and double membrane structure supports the endosymbiotic theory, which proposes that these organelles were once free-living prokaryotes that were engulfed by ancestral eukaryotic cells. This evidence suggests that they evolved from symbiotic relationships between different cell types.
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What role did microscopes play in the origin of the endosymbiotic theory more than 100 years ago?
Microscopes allowed scientists to observe cellular structures in detail, leading to the discovery of organelles like mitochondria and chloroplasts. These observations contributed to the development of the endosymbiotic theory, which proposes that these organelles originated from engulfed prokaryotic cells that formed a symbiotic relationship within eukaryotic cells.
What theory was developed around the idea that some eukaryotic organelles evolved from proyarotic organisms?
The endosymbiotic theory proposes that eukaryotic organelles, such as mitochondria and chloroplasts, originated from engulfed prokaryotic cells that developed a symbiotic relationship within the host cell. This theory suggests that these organelles were once free-living bacteria that were engulfed by early eukaryotic cells and eventually evolved into essential components of eukaryotic cells.
What theory states that mitochondria and chloroplasts are derived from free-living prokaryotic cells?
The endosymbiotic theory proposes that mitochondria and chloroplasts were once free-living prokaryotic cells that were engulfed by a primitive eukaryotic cell through symbiosis. Over time, these engulfed cells evolved into organelles within the host cell, leading to the development of modern eukaryotic cells.
What statement fails to support the endosymbiotic theory?
A statement that fails to support the endosymbiotic theory would be one that asserts that all eukaryotic organelles were independently formed within the cells, without any symbiotic relationship with prokaryotic cells. This contradicts the evidence and principles of the endosymbiotic theory, which suggests that organelles like mitochondria and chloroplasts originated from ancient symbiotic relationships between prokaryotic cells and ancestral eukaryotic cells.
The endosymbiotic theory provides the explanation for the origin of what?
The endosymbiotic theory explains the origin of eukaryotic cells by proposing that mitochondria and chloroplasts were once free-living prokaryotic organisms that were engulfed by primitive eukaryotic cells. Over time, a symbiotic relationship developed, leading to the integration of these organelles into eukaryotic cells.
The endosymbiotic theory was supported by the scientist?
Lynn Margulis was the scientist who proposed and championed the endosymbiotic theory. She provided evidence to support the idea that eukaryotic cells evolved from symbiotic relationships between different prokaryotic organisms.
What is the theory that says prokaryotic parasites once lived in eukaryotic cells?
This is the endosymbiotic theory.
The endosymbiotic theory has been developed to explain the emergence of?
The endosymbiotic theory has been developed to explain the emergence of eukaryotic cells, proposing that certain organelles within eukaryotic cells were once free-living prokaryotic organisms that were engulfed by a larger host cell and formed a symbiotic relationship. This theory is supported by evidence such as the mitochondria and chloroplasts having their own DNA and ribosomes, similar to bacteria.
What role did microscopes play in the origin of the endosymbiotic theory more than 100 years ago?
Microscopes allowed scientists to observe cellular structures in detail, leading to the discovery of organelles like mitochondria and chloroplasts. These observations contributed to the development of the endosymbiotic theory, which proposes that these organelles originated from engulfed prokaryotic cells that formed a symbiotic relationship within eukaryotic cells.
The endosymbiotic theory helps to explain the origin of which structures?
The endosymbiotic theory explains the origin of mitochondria and chloroplasts in eukaryotic cells. It posits that these organelles were once free-living prokaryotic organisms that entered into a symbiotic relationship with ancestral eukaryotic cells. Over time, they became integrated and essential components of the cell, leading to the complexity of eukaryotic life. This theory is supported by evidence such as the presence of their own DNA and double membranes.
What theory proposes that eukaryotic cells arose from living communities of several prokaryotic organisms?
The endosymbiotic theory proposes that eukaryotic cells originated from the symbiotic relationship between different prokaryotic organisms, specifically between a host cell and its internalized bacteria-like partners, which eventually evolved into organelles like mitochondria and chloroplasts. This theory is supported by evidence such as the similarities between organelles and prokaryotes in terms of structure, genome organization, and replication.
What is the endosymbiotic theory?
The Endosymbiotic Theory is a theory about how mitochondria and chloroplasts formed. The theory suggests that both the mitochondria and chloroplasts were once prokaryotic cells that were ingested but not digested by eukaryotic cells. This would explain why both have their own DNA.
Theory of endosymbiosis?
The endosymbiotic theory explains the origin of chloropasts and mitochondia. Symbiosis is the mutual benefit of two organisms living together. This was the basis of the theory.
When was the endosymbiotic theory proposed?
The endosymbiotic theory was proposed in the 1960s by Lynn Margulis to explain the origin of eukaryotic cells. It suggests that eukaryotic cells evolved through a mutually beneficial relationship between primitive prokaryotic cells.
What theory was developed around the idea that some eukaryotic organelles evolved from proyarotic organisms?
The endosymbiotic theory proposes that eukaryotic organelles, such as mitochondria and chloroplasts, originated from engulfed prokaryotic cells that developed a symbiotic relationship within the host cell. This theory suggests that these organelles were once free-living bacteria that were engulfed by early eukaryotic cells and eventually evolved into essential components of eukaryotic cells.
Which of the following would not support the endosymbiotic theory of the origin of mitochondri and chloroplasts?
Both contain DNA
What organisms created the modern mitochondria?
Aerobic bacteria evolved into mitochondria.It is explained in endosymbiotic theory.
