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  2. Stable-isotope probing - Wikipedia

    en.wikipedia.org/wiki/Stable-isotope_probing

    When DNA is the biomarker, SIP can be performed using isotopically labeled C, H, O, or N, though 13 C is used most often. The density shift is proportional to the change in density in the DNA, which depends on the difference in mass between the rare and common isotopes for a given element, and on the abundance of elements in the DNA.

  3. Session Initiation Protocol - Wikipedia

    en.wikipedia.org/wiki/Session_Initiation_Protocol

    SIP user agent registration to SIP registrar with authentication. A registrar is a SIP endpoint that provides a location service. It accepts REGISTER requests, recording the address and other parameters from the user agent. For subsequent requests, it provides an essential means to locate possible communication peers on the network.

  4. Amplified fragment length polymorphism - Wikipedia

    en.wikipedia.org/wiki/Amplified_fragment_length...

    Example of AFLP data from a capillary electrophoresis instrument. Amplified fragment length polymorphism (AFLP-PCR or AFLP) is a PCR-based tool used in genetics research, DNA fingerprinting, and in the practice of genetic engineering.

  5. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  6. Tinbergen's four questions - Wikipedia

    en.wikipedia.org/wiki/Tinbergen's_four_questions

    On the other hand, the common definition of adaptation is a central concept in evolution: a trait that was functional to the reproductive success of the organism and that is thus now present due to being selected for; that is, function and evolution are inseparable.

  7. Melting curve analysis - Wikipedia

    en.wikipedia.org/wiki/Melting_curve_analysis

    Melting curve analysis is an assessment of the dissociation characteristics of double-stranded DNA during heating. As the temperature is raised, the double strand begins to dissociate leading to a rise in the absorbance intensity, hyperchromicity .

  8. Multiomics - Wikipedia

    en.wikipedia.org/wiki/Multiomics

    Number of citations of the terms "Multiomics" and "Multi-omics" in PubMed until the 31st December 2021. Multiomics, multi-omics, integrative omics, "panomics" or "pan-omics" is a biological analysis approach in which the data sets are multiple "omes", such as the genome, proteome, transcriptome, epigenome, metabolome, and microbiome (i.e., a meta-genome and/or meta-transcriptome, depending ...

  9. Semi-infinite programming - Wikipedia

    en.wikipedia.org/wiki/Semi-infinite_programming

    In optimization theory, semi-infinite programming (SIP) is an optimization problem with a finite number of variables and an infinite number of constraints, or an infinite number of variables and a finite number of constraints. In the former case the constraints are typically parameterized.