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How do the finding of margulis and other scientists-that mitochondria and cholarplasts have third own DNA like a cell nucleus-support the hypothesis of endosymbiosis?
concept that mitochondria and chloroplasts are the result of years of evolution initiated by the endocytosis of bacteria and blue-green algae which, instead of becoming digested, became symbiotic.
What role does cyanobacteria play in endosymbiosis?
Cyanobacteria are believed to have played a crucial role in endosymbiosis, particularly in the evolution of chloroplasts in plants and algae. They are photosynthetic bacteria that, through a symbiotic relationship, were engulfed by ancestral eukaryotic cells, eventually evolving into organelles that enable photosynthesis. This event significantly contributed to the diversification of plant life and the oxygenation of Earth's atmosphere. The genetic and biochemical similarities between cyanobacteria and chloroplasts support this endosymbiotic theory.
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 evidence scientists have to support endosymbiosis and the evolution of prokaryotes to eukaryotes?
The difference between eukaryotes and prokaryotes is primarily that prokaryotes don't have membrane-wrapped organelles, including a cell nucleus containing its genetic material and mitochondria, the organelles that produce most of the eukaryote's supply of ATP, a source of chemical energy for cells. It is thought that organelles like the mitochondria evolved in eukaryotes as a result of endosymbiosis between prokaryotes. A similar origin has been proposed for chloroplasts in algae and plants. This is supported by the fact that these organelles contain their own DNA, and replicate independently from the host cell, as well as by their apparent genetic, morphological and behavioural relationship with various extant prokaryotes.
What protects organelles and fills empty space between organelles?
Cytoplasm is the gel-like substance that fills the interior of a cell, protecting organelles and providing a medium for biochemical reactions. It contains water, salts, and various organic molecules, allowing it to support and cushion organelles, facilitating their movement and function within the cell.
How do the finding of margulis and other scientists-that mitochondria and cholarplasts have third own DNA like a cell nucleus-support the hypothesis of endosymbiosis?
concept that mitochondria and chloroplasts are the result of years of evolution initiated by the endocytosis of bacteria and blue-green algae which, instead of becoming digested, became symbiotic.
What role does cyanobacteria play in endosymbiosis?
Cyanobacteria are believed to have played a crucial role in endosymbiosis, particularly in the evolution of chloroplasts in plants and algae. They are photosynthetic bacteria that, through a symbiotic relationship, were engulfed by ancestral eukaryotic cells, eventually evolving into organelles that enable photosynthesis. This event significantly contributed to the diversification of plant life and the oxygenation of Earth's atmosphere. The genetic and biochemical similarities between cyanobacteria and chloroplasts support this endosymbiotic theory.
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.
After ln margulis's endosymbiont theory met oppositon what new evidnece emerged in support of the theory?
main distinction between euayotes and prokaryotes
Which 2 organelles help to support the plant cell?
Mitochondria & Chloroplasts
What is the evidence scientists have to support endosymbiosis and the evolution of prokaryotes to eukaryotes?
The difference between eukaryotes and prokaryotes is primarily that prokaryotes don't have membrane-wrapped organelles, including a cell nucleus containing its genetic material and mitochondria, the organelles that produce most of the eukaryote's supply of ATP, a source of chemical energy for cells. It is thought that organelles like the mitochondria evolved in eukaryotes as a result of endosymbiosis between prokaryotes. A similar origin has been proposed for chloroplasts in algae and plants. This is supported by the fact that these organelles contain their own DNA, and replicate independently from the host cell, as well as by their apparent genetic, morphological and behavioural relationship with various extant prokaryotes.
What maintains the cell shape anchors the organelles in place and move organelles of the cells?
The cytoskeleton of the cell, made of microtubules to move organelles, microfilaments to contract the cell, especially during cell division, and intermediate filaments to provide support and anchor the organelles, does all of these things.
What provides support and keeps organelles position properly inside the cell?
Cell Walls.
What organelles help to support the plant and help it to maintain its shape?
Vacuole and Cell wall
How do organelles in the animal cell work together to support life?
they each have a special job
Which organelles support life processes in plant cells but are not found in animal cells?
chloroplasts
What does the organelles do in the cell for the human?
organelles control, support, and supply the cell so it can survive. some organelle are the nucleus, mitochondria, vacuole, golgi apparatus, and endoplasmic reticulum.
