Mindblown: a blog about philosophy.
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Gel Electrophoresis
Gel Electrophoresis Definition Gel electrophoresis is a procedure used to separate biological molecules by size. The separation of these molecules is achieved by placing them in a gel with small pores and creating an electric field across the gel. The molecules will move faster or slower based on their size and electric charge. Gel Electrophoresis […]
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Gastrulation
Gastrulation Definition Gastrulation is the process during embryonic development that changes the embryo from a blastula with a single layer of cells to a gastrula containing multiple layers of cells. Gastrulation typically involves the blastula folding in upon itself or dividing, which creates two layers of cells. Organisms that do not form a third layer […]
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Gardnerella Vaginalis
Definition Gardnerella vaginalis is the name of a micro-aerophilic coccobacillus found in the vaginal flora. Gardnerella vaginalis does not cause bacterial vaginosis (vaginal infection) unless populations become dominant; recent findings seem to show that this bacterium may be part of the normal vaginal flora and not only the result of sexual transmission. Gardnerella Vaginalis in Healthy Vaginal Flora […]
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Gap Junction
Gap Junction Definition Gap junctions are a type of cell junction in which adjacent cells are connected through protein channels. These channels connect the cytoplasm of each cell and allow molecules, ions, and electrical signals to pass between them. Gap junctions are found in between the vast majority of cells within the body because they […]
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Gametophyte
Gametophyte Definition Gametophytes are the stage which produces sex cells in plants and algae that undergo alternation of generations. Among land plants, these sex cells may be referred to as “sperm” and “eggs,” with “male” and “female” sex cells combining to produce offspring. Unlike animals and other organisms that use sexual reproduction, gametophytes do not […]
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Gamete
Gamete Definition Gametes are haploid reproductive cells in sexually reproducing organisms that fuse with one another during fertilization. Fertilization produces a diploid cell that undergoes repeated rounds of cell division to produce a new individual. Gametes are the physical carriers of genetic information from one generation to the next. They carry recombinant chromosomes produced at […]
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Fungi
Fungi Definition Fungi (singular: fungus) are a kingdom of usually multicellular eukaryotic organisms that are heterotrophs (cannot make their own food) and have important roles in nutrient cycling in an ecosystem. Fungi reproduce both sexually and asexually, and they also have symbiotic associations with plants and bacteria. However, they are also responsible for some diseases […]
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Fundamental Niche
Fundamental Niche Definition The niche of any organism is the role that it fills within an ecosystem as a response to the amount and distribution of resources, the competition present, and the way that the organism influences those same factors. A fundamental niche is the full range of environmental conditions that a viable population of species can occupy and […]
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Frenulum
Frenulum Definition A frenulum is a small ridge or fold of skin that helps to anchor a semi-mobile body part. In the human body, frenulums are found on the penis, under the tongue, inside the lips, as part of the female genitalia, and internally in the brain and digestive tract. An oral frenulum, the , […]
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Frameshift Mutation
Frameshift Mutation Definition Frameshift mutations are insertions or deletions in the genome that are not in multiples of three nucleotides. They are a subset of insertion-deletion (indel) mutations that are specifically found in the coding sequence of polypeptides. Here the number of nucleotides that are added or removed from the coding sequence are not multiples of three. […]
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