What is the mitochondria more like....?
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Your teacher wants you to say it's like a power plant (utility company) -- "burns" glucose to make energy that can be used by the cell elsewhere.
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Similarities: They both move down a concentration gradient & they do not need ATP.\n\nDifferences: Osmosis is only for water molecules & it happens through a partially permeable membrane.
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Possible scenario of the evolution of the mitochondrion in Kinetoplastida. A facultative anaerobic, 'pluripotent' ancestral eukaryote was formed by endosymbiosis of a facultative anaerobic α-proteobacterium by an archaebacterial host. It has been proposed [118] that different capacities of the original symbiont were lost in different eukaryotic lineages, leading to different types of organelles (aerobic mitochondria, anaerobic mitochondria, hydrogenosomes). In Kinetoplastida, the original hydrogenase, anaerobic terminal oxidases and the capacity to synthesize quinones of low redox potential were lost. Indications for the retainment of the PFO have been reported, but its presence still requires unequivocal confirmation. The kinetoplastid mitochondrion acquired an AOX and its metabolism became partially fermentative (see text). Abbreviations: AOX, alternative oxidase; ASCT, acetate:succinate CoA transferase; PDH, pyruvate dehydrogenase complex; PFO, pyruvate:ferredoxin oxidoreductase; terminal oxidase O, O2-dependent terminal oxidase; terminal oxidases A, terminal oxidases using 'anaerobic' electron acceptors.\n\n\nhttp://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=317351&rendertype=figure&id=F9
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lets see differences would be\nrespiration \nmovement\nreproduction\ncell division mitosis meiosis\nno response\nno energy requirement\nno exchanges of material\nno active transport \ntemprature drop\nenzymic activity\nvirus activity\n\ncant think of anymore will reply wid some mre later
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3. mitochondrion\n\nThis is the organell where energy is produced for the cell through the oxygenation of ATP
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These differences are down to cellular level:\n\nEUKARYOTES:\n--Relatively bigger compared to prokaryotes \n--Have true nucleus (surrounded by nuclear envelope)\n--Cells contain golgi, lysosomes, ribosomes and endoplasmic reticulum\n--Have cell wall made of cellulose and chitin\n--Have linear DNA with protein forming true chromosomes\n--Have a nucleolus\n--Their flagella consist of microtubules\n--Membrane-bounded organelles like chloroplast present\n\nPROKARYOTES:\n--Relatively smaller in size\n--Don't have a permanent nucleus\n--Their cells contain ribosomes, but no vacuole or golgi\n--Cell wall is rigid and made up of murein\n--Have circular DNA, with no true chromosomes\n--No nucleolus present\n--Their flagella lack microtubules\n--No membrane bounded organelles present
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1.Mitochondria have a set of double membranes, as do most bacteria; and the lipid composition of mitochondrial membranes shows no similarities with the eukaryotic cell cytoplasm. If mitochondria evolved inside of proto eukaryote, their membrane composition would be expected to be of the same material. Instead, it appears that mitochondrial membranes more closely resemble bacterial membranes in terms of lipid composition \n\n2.The inner-membrane infoldings in the mitochondria lend more credence to the symbiosis theory. the infoldings (cristae) "are adaptations that increase the surface area of oxidative enzymes, evolutionary analogues to the mesosomal membranes of many prokaryotes" . In addition, the cristae keep the various enzymes segregated according to use, as do bacteria\n\n3.Mitochondrial ribosomal RNA sequences bear much more in common with bacteria than with ribosomes in the eukaryotic cytoplasm. For example, n-formylmethionyl transfer RNA has been found to exist only in mitochondria and bacteria \n\n4. Not only do mitochondria possess their own DNA, but it is circular, as is bacterial DNA; and DNA synthesis is continuous as opposed to that of eukaryotic nuclear DNA. Furthermore, the ratio of guanine-cytosine base pairs in mitochondrial DNA is proportionately higher, as with bacteria, than in eukaryotic nuclear DNA\n\n5.Mitochondrial division resembles bacterial reproduction.  "Genetic recombination in (mitochondria) is far more reminiscent of phage and bacterial sexuality than it is of eukaryotic nuclear sexual behavior
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ATP would be larger, it has one more phosphate.\nADP is ATP - a phosphate, the bond between the 2nd and third is broken to provide cellular energy.
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Mitochondria in animal cells convert energy into forms the animal cell can use.  Chloroplasts in plant cells are necessary for photosynthesis, converting sunlight into energy the plant cell can use.
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organelles perform a specific function for the cell (respiration, transportation, etc.) much like organs perform a specific function for an organism (circulation, respiration, etc.).  animal cells and plant cells have some organelles that are the same, but some are different (plants have cell walls and vacuoles, while most animal cells do not).
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they think that they evolved from bacteria.  Mitochondria and chloroplasts have their own DNA and manufacture some of their own proteins, like bacteria. It is thought that the mitochondria and chloroplasts evolved from symbiotic bacteria that took up residence inside the first eukaryotic cells.
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Uni.\n\nHowever it does have an internal structure, organelles and the like.
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ATP is made in humans in the mitochondria through the process of cellular respiration. Muscle cells require a lot more ATP to do all their contracting than skin cells ever use. Therefore, muscle cells need a lot more mitochondria to make ATP than skin cells do.
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Mitochondria are found in nearly all EUKARYOTIC cells, usually several or many per cell.\n\nAnything not considered a eukaryote does not in turn have organelles therefore it doesn't have mitochondria.\n\nDan is correct viruses and prokaryotes don't have them.....
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Endoplasmic reticulum = 1\nRibosome(s)                 = several\nNucleus                         = 1 but has an inner Nucleolus\nlysosome                      = several\ngolgi bodies                   = I think 1  :)\nmitochondria                 = as u said "mitochondria" & not mitochondrion, so there are several of them\nvacuole                          = several (unlike the plant cell which has one big vacuole)\ncheers
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That would be the mitochondria. The energy store of the human body. \n\nLearn how to spell ORGANELLE!!!!
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mitochondria is a power house because thats where all energy comes from. Sugars and oxygen goes into the cell, into the mitochondria, and the mitochondria burns the sugar using oxygen and, this is the process of making ATP, the energy that cells can use to do work. ull find a lot of mitochondria in muscles and the liver.