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Mitochondria
Mitochondria are eukariyotic cell organells.It is the site of aerobic respiration which generates energy stored in ATP's.They are also known as the power houses of the cell.
583 Questions
Would you die without mitochondria?
Mitochondria are organelles that all of your cells contain. These organelles role is to harness energy for the cell through different chemical reactions. If all of your mitochondria "die" or more likely stop converting energy your cells would no longer have any energy, and without energy life becomes rather tough. I don't mean that in a you're tired type of way, but rather a cellular death type.
What is oxygen used for in mitochondria?
Oxygen is used in mitochondria as the final electron acceptor in the electron transport chain during aerobic respiration. This process helps generate ATP, the main energy currency of cells. Without oxygen, cells cannot efficiently produce energy through aerobic respiration.
Why is the inner membrane of mitochondria ruffled?
The inner membrane of mitochondria is highly folded or ruffled to increase its surface area, allowing for more space for enzymes and proteins involved in energy production to be located. This increased surface area facilitates more efficient production of ATP, the energy currency of the cell, through the process of oxidative phosphorylation.
What is the appearance of the mitochondria?
mitochondria, according to my school science book, are red, oval shaped organelles in a plant and an animal cell. they have a design that may look like a shoe print to some people inside.
What does the mitochondria do in the cell?
Mitochondria are organelles responsible for producing energy in the form of ATP through a process called cellular respiration. They are often referred to as the powerhouse of the cell. Mitochondria also play a role in other cellular functions, such as regulating cell metabolism and signaling pathways.
A mitochondrion contains outer and inner membranes composed of phospholipid bilayers and proteins. The two membranes, however, have different properties. Because of this double-membraned organization, there are five distinct compartments within the mitochondrion. There is the outer mitochondrial membrane, the intermembrane space (the space between the outer and inner membranes), the inner mitochondrial membrane, the cristae space (formed by infoldings of the inner membrane), and the matrix (space within the inner membrane).
Mitochondria differ from chloroplasts in that mitochondria?
Mitochondria are responsible for cellular respiration, producing ATP for the cell, whereas chloroplasts are responsible for photosynthesis, converting sunlight into energy for the plant. Mitochondria have a double membrane structure, while chloroplasts have a triple membrane structure. Mitochondria contain cristae to increase surface area for ATP production, while chloroplasts have thylakoid membranes for the light-dependent reactions of photosynthesis.
What do mitochondria do in a cell?
Mitochondria are known as the powerhouse of the cell because they generate energy in the form of ATP through a process called cellular respiration. They also play a role in other cellular activities such as signaling, differentiation, and cell cycle control. Additionally, mitochondria are involved in regulating cellular metabolism and apoptosis.
What are similarities between mitochondria and chloroplasts?
They both have their own DNA. In addition, it has been observed that they divide on their own during cell division. They also both have two membrane as opposed to one membrane in rest of the organelles (except for the nucleus). They are also similar because they are both Organ cells.
What can be compared to a mitochondria?
A powerhouse or engine can be compared to a mitochondria because it is responsible for generating energy for the cell through a process called cellular respiration. In both cases, energy production is a key function that supports the overall functioning of a system.
What is the function of the mitochondria in the animal cell?
Mitochondria are the powerhouse of the cell, responsible for generating energy in the form of ATP through a process called cellular respiration. This energy is essential for powering various cellular activities and maintaining cell function.
What does mitochondria do for a cell?
Mitochondria are the "powerhouses" of the cell, responsible for generating energy in the form of ATP through a process called cellular respiration. They also play a role in regulating cell metabolism, cell growth, and cell death.
What is an fact about mitochondria?
Mitochondria hold DNA (likely because of evolutionary leftovers) and this DNA is directly inherited from the mother, meaning that it is an exact match to the mother's DNA. This type of DNA is used in forensics from time to time. Otherwise, mDNA serves no other purpose, and we likely won't even have it in a few million years. Even more interesting is the fact that Mitochondria contain DNA which is not ours! Put simply at some point in the distant past of human evolution; way in the past: at a point when we ourselves where very simple organisms. We formed an endosymbiotic relationship with a proto-bacteria for mutual benefit. This proto-bacteria - apparently related to the Rickettsia which still exits - then became permanent whithin every cell, providing energy but losing some independent features whilst retaining to this day it's own DNA. The Mitochondria have been described as "The Warp-Core of the cell" This is a more detailed explanation of what little is known about this fascinating yet generally unknown story of human development: That we are in fact a walking collection of symbiotic organisms!
Mitochondria have many features in common with prokaryotes. As a result, they are believed to be originally derived from endosymbiotic prokaryotes. A mitochondrion contains DNA, which is organized as several copies of a single, circular chromosome. This mitochondrial chromosome contains genes for redox proteins such as those of the respiratory chain. The CoRR Hypothesis proposes that this Co-location is required for Redox Regulation. The mitochondrial genome also codes for some RNAs of ribosomes, and the twenty-two tRNA's necessary for the translation of messenger RNAs into protein. The circular structure is also found in prokaryotes, and the similarity is extended by the fact that mitochondrial DNA is organized with a variant genetic code similar to that of Proteobacteria.[36] This suggests that their ancestor, the so-called proto-mitochondrion, was a member of the Proteobacteria.[36] In particular, the proto-mitochondrion was probably related to the rickettsia.[37] However, the exact relationship of the ancestor of mitochondria to the alpha-proteobacteria and whether the mitochondria was formed at the same time or after the nucleus, remains controversial.[38] The ribosomes coded for by the mitochondrial DNA are similar to those from bacteria in size and structure.[39] They closely resemble the bacterial 70S ribosome and not the 80S cytoplasmic ribosomes which are coded for by nuclear DNA. The endosymbiotic relationship of mitochondria with their host cells was popularized by Lynn Margulis.[40] The endosymbiotic hypothesis suggests that mitochondria descended from bacteria that somehow survived endocytosis by another cell, and became incorporated into the cytoplasm. The ability of these bacteria to conduct respiration in host cells that had relied on glycolysis and fermentation would have provided a considerable evolutionary advantage. In a similar manner, host cells with symbiotic bacteria capable of photosynthesis would also have had an advantage. The incorporation of symbiotes would have increased the number of environments in which the cells could survive. This symbiotic relationship probably developed 1.7[41]-2[42] billion years ago. A few groups of unicellular eukaryotes lack mitochondria: the microsporidians, metamonads, and archamoebae.[43] These groups appear as the most primitive eukaryotes on phylogenetic trees constructed using rRNA information, suggesting that they appeared before the origin of mitochondria. However, this is now known to be an artifact of long-branch attraction - they are derived groups and retain genes or organelles derived from mitochondria (e.g., mitosomes and hydrogenosomes).[1]
This is from Mitochondrian WIKIPEDIA
What are the parts of a mitochondrion?
A mitochondrion consists of an outer membrane, an inner membrane, cristae (folds in the inner membrane), a matrix (fluid-filled space inside the inner membrane), and ribosomes and DNA for protein synthesis within the matrix.
What is the role of mitochondria in cells?
Mitochondria are the powerhouse of the cell, producing energy in the form of ATP through cellular respiration. They also play a role in regulating cell metabolism, controlling cell growth, and signaling cell death.
What do chloroplasts and mitochondria contain genetic information in the form of?
Chloroplasts and mitochondria contain genetic information in the form of circular DNA molecules. These DNA molecules encode for a small number of genes that are involved in the functioning of these organelles.
Mitochondria are double-membraned organelles found in eukaryotic cells responsible for generating ATP through cellular respiration. They contain their own DNA and ribosomes, suggesting they might have evolved from symbiotic bacteria. Mitochondria have a highly folded inner membrane called cristae, which increases the surface area for ATP production.
What is the Importance of the Mitochondria?
Mitochondria are known as the powerhouse of the cell because they are responsible for producing the energy currency of the cell, ATP, through the process of cellular respiration. This energy is essential for various cellular functions, including metabolism, growth, and cell division. Dysfunction in mitochondria has been linked to various diseases, highlighting their importance in maintaining the overall health of the cell and organism.
Other than mitochondria which other organelle produces energy?
There is a energy producing side-branch in the function of the Chloroplasts: that is instead of making sugar the photo-energy captured by the Chloroplasts can go directly to the production of ATP.
How do you pronounce mitochondria?
How do you use mitochondria in a help wanted ad?
Mitochondria help the body with all of it's metabolic reactions. In a help wanted ad, the mitochondria might be holding up a sign asking someone to eat healthy and take vitamins that support metabolism.
What evidence indicates that mitochondria and chloroplasts were once free-living organisms?
Both have their own DNA, and manufacture their own RNA and proteins. When the DNA was examined, it was resembled the DNA in free-living organsims known as blue-green algae, so it was hypothesized that these organelles were once free-living and then became endosymbionts with another organism.
What is the mitochondria function?
The main function of mitochondria is to produce energy in the form of ATP through a process called cellular respiration. Mitochondria are known as the powerhouse of the cell because they generate most of the cell's energy. Additionally, mitochondria are involved in other cellular processes such as regulating metabolism, cell signaling, and cell death.
Why mitochondria culture is not possible?
Chloroplasts cannot live on their own. They must have the cell they live in to survive. The theory is that endosymbiosis occurred millions of years ago, and the chloroplasts lost much of their self functioning genes to the host cell, depending instead on the cell to maintain life. They have become so specialized at their job within the cell, they are no longer able to support their own lives outside of it.
