is there dna in fat cells?
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DNA discovery in fat cells could explain development of obesity and type 2 diabetes. Scientists have identified 93 genes in fat cells that could have a significant role in the development of obesity, type 2 diabetes and several more conditions.
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Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA.
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When we lose weight, these liquid fat reserves are drained to fuel the body. But the cell itself remains. In fact, fat cells, or adipocytes, can grow or shrink dramatically, changing in size by up to a factor of 50, Jensen says.
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Not every cell in the human body contains DNA bundled in a cell nucleus. Specifically, mature red blood cells and cornified cells in the skin, hair, and nails contain no nucleus. Mature hair cells do not contain any nuclear DNA. Public Domain Image, source: Christopher S.
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Urine itself does not contain DNA, but it may contain epithelial cells, which do contain DNA. Most healthy individuals, however, do not excrete epithelial cells in their urine.
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Mitochondrial DNA (mtDNA or mDNA) is the DNA located in mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, adenosine triphosphate (ATP).
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White fat, which most of us are familiar with, stores energy in big, oily droplets throughout the body. ... Brown fat, conversely, contains both smaller droplets and high amounts of mitochondria, which lend the tissue its chestnut color. Mitochondria, the body's power plants, use these fatty droplets to generate heat.
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New research into brain cells is revealing that their DNA blueprint is radically different than expected. Compared to DNA in other cells, neurons have more, less and rearranged DNA.
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It's not that you're born with a certain number of fat cells that you keep for life. The number of fat cells rose in kids and teens, leveling off by adulthood, according to the study.
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DNA is the genetic material found in all living organisms and is found in the nucleus of eukaryotes and in the chloroplasts and mitochondria. In prokaryotes, the DNA is not enclosed in a membranous envelope. The other type of nucleic acid, RNA, is mostly involved in protein synthesis.
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In organisms called eukaryotes, DNA is found inside a special area of the cell called the nucleus. Because the cell is very small, and because organisms have many DNA molecules per cell, each DNA molecule must be tightly packaged. This packaged form of the DNA is called a chromosome.
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Well first of all any hair you donate to Locks of Love wouldn't contain DNA because your hair alone contains no DNA. The DNA retrievable from hair would be from a skin tag usually found when a hair is forcibly removed from the source not when it is cut.
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Every living organism has DNA. This includes plants and parts of plants (like fruit), but also animals, bacteria and fungi. ... So fruits do contain dna.
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Nucleus/DNA: Eukaryotic cells have a nucleus surrounded by a nuclear envelope that consists of two lipid membranes, according to Nature Education. The nucleus holds the eukaryotic cell's DNA.
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There are two types of adipose cells: white adipose cells contain large fat droplets, only a small amount of cytoplasm, and flattened, noncentrally located nuclei; and brown adipose cells contain fat droplets of differing size, a large amount of cytoplasm, numerous mitochondria, and round, centrally located nuclei.
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DNA is contained in blood, semen, skin cells, tissue, organs, muscle, brain cells, bone, teeth, hair, saliva, mucus, perspiration, fingernails, urine, feces, etc. Where can DNA evidence be found at a crime scene? DNA evidence can be collected from virtually anywhere.
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Nuclear DNA is DNA in cell nuclei and is responsible for the majority of functions that cells carry out. Mitochondrial DNA is associated with animals, plants and fungi, and comes from their own DNA and is quite different in form than nuclear DNA.