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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Current and past changes in climate as they relate to biological systems. This may include biological drivers of or impacts from changes in temperature, precipitation, atmospheric CO2, sea level, etc.
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The production and emission of light by a living organism.
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the process in which living organism synthesize molecules and substances they need. Examples would be the photosynthesis where in the end glucose is synthesized or melanin as the resul…
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the agents which cause most of the toxicity of bacteria and are often highly toxic. Examples include the tetanus and the diptheria toxins.
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Nerves that emerge directly from the brain.
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a molecular biology technique used to study protein-DNA interactions in the natural context of the cell. It is performed by cross-linking proteins and DNA, c…
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compounds that induce hallucinations and often other psychotic phenomena. They include dissociatives (NMDA antagonists and kappa opioid agonists) and psychedelics (LSD and psilocybin…
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The study of reptiles and amphibians, and a subarea of zoology.
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Gene annotation refers to the characterization of a gene's exon-intron-UTR structure.
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Questions pertaining to the study of the digestive system.
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The chief enzyme involved in fatty acid biosynthesis. They include cerulenin, a natural products produced by the fungi Sarocladium oryzae.
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not for asking questions about "learning biology". Learning is acquiring new or modifying existing knowledge, behaviors, skills, values, or preferences and may involve synthesizing differe…
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a class of small (22 nucleotide in the mature form) non-coding RNA. They are present in plants and animals and function as transcriptional and post-transcriptional regulators of …
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an extremely diverse genome region in vertebrates that is responsible for antigen presentation. There are two main classes, MHC I and MHC II.
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a disease caused by the bacterium Mycobacterium tuberculosis. It infects mainly the lungs, but can be found in other parts of the body. Untreated tuberculosis ends fatal.