A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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The scientific study of the origin, evolution, distribution, and future of life in the universe.
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Questions pertaining to the production of an immune response to self tissues/molecules.
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a biopolymer mostly made from keratin, which grows from the skin. Hair is exclusively found in mammals.
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The maintenance of a constant internal environment - for example temperature, carbon dioxide concentration or water concentration, etc. within an organism.
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an internal, bean shaped organ of vertebrates. Kidneys are responsible for secreting urine, regulate the electrolytes of the body and filter the blood.
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The process of gathering visual studies of tissue or the body for purposes of research or diagnostics.
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Protein Data Bank, a publically available database of molecular structures of proteins
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Enzyme that catalyzes the serial addition of monomers to synthesize a polymeric biomolecule. This term usually applies to DNA/RNA polymerases which synthesize these nucleic acid polymers from mononucl…
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either continuous (in electrical synapses) or interrupted by a cleft (in chemical synapses), through which communication is established.
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Hard projections in the mouths of vertebrates used mainly to mechanically digest food. Teeth can also be used for the purposes of defense or obtaining meals, especially in the case of hunting.
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Chemistry relating to carbon-containing compounds. Should relate to biology as opposed to being purely about chemistry.
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Polymers/Oligomers of mononucleotides. Nucleotides are composed of heterocyclic bases such as Adenine, Guanine, Thymine, Cytosine, and Uracil linked to a backbone moeity such as ribose (RNA), deoxyrib…
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Chemicals used in the lab for experiments.
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Questions regarding the structure, morphology, and function of the human ear.
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Questions pertaining to fruit flies of the genus *Drosophila*.
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The laboratory technique involving the extraction of DNA from a cell in a pure form.
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a movement of hobby biologists practicing outside of mainstream labs. This means that budget, availability of technology, and possibly background knowledge may be minimal.
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the process in which one parent cell divides into two daughter cells. The interiour (cytoplasm, DNA, mitchondria etc.) of the parent cell is divided between the two new cells.
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concerned with the study of the structure and function of the cell, especially the chromosomes.
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The study of biodiversity with the applied goal of learning how to protect species, habitats, and ecosystems from change, particularly that caused by non-natural effects.
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Extinction refers to the global disappearance of a taxon, caused by the death of the last individual member. Extinction can be used on many different levels and may relate to populations, groups of po…
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Set of methods to visualize certain properties (structure, gene expression, potential changes, etc.) of organisms or single cells.
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the study of energy transfer within and between cells, organisms, and their environment, including the underlying chemical reactions.
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Questions pertaining to western blots, which are used for detecting specific proteins (sometimes called protein immunoblots).
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Nutrient solution for the growth of eukariotic cells or bacteria. It can contain everything the cell needs for its growth (complete media) or can be incomplete (selective media) to select for cells th…
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Basic (positively charged) proteins that help in compacting the genomic DNA in the form of chromatin, by forming nucleosomes.