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  2. Cell–cell recognition - Wikipedia

    en.wikipedia.org/wiki/Cell–cell_recognition

    In cellular biology, cell–cell recognition is a cell 's ability to distinguish one type of neighboring cell from another. [1] This phenomenon occurs when complementary molecules on opposing cell surfaces meet. A receptor on one cell surface binds to its specific ligand on a nearby cell, initiating a cascade of events which regulate cell ...

  3. Gene regulatory network - Wikipedia

    en.wikipedia.org/wiki/Gene_regulatory_network

    A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins which, in turn, determine the function of the cell. GRN also play a central role in morphogenesis, the creation of body structures ...

  4. Biological network - Wikipedia

    en.wikipedia.org/wiki/Biological_network

    In the 1980s, researchers started viewing DNA or genomes as the dynamic storage of a language system with precise computable finite states represented as a finite state machine. [3] Recent complex systems research has also suggested some far-reaching commonality in the organization of information in problems from biology, computer science , and ...

  5. Biomarkers: What Are They? - WebMD

    www.webmd.com/a-to-z-guides/biomarkers-overview

    Biomarkers are traits that doctors measure in your blood, body fluids, and tissues. Experts also call them molecular markers and signature molecules. They can be signs of conditions, diseases ...

  6. Difference Between Gram-Positive and Gram-Negative Bacillus

    www.webmd.com/a-to-z-guides/difference-between...

    Characteristics of Gram-Positive Bacilli. A gram-positive bacillus doesn't have an outer cell wall beyond the peptidoglycan membrane. This makes it more absorbent. Its peptidoglycan layer is much ...

  7. Cell signaling - Wikipedia

    en.wikipedia.org/wiki/Cell_signaling

    Cell signaling. In biology, cell signaling (cell signalling in British English) is the process by which a cell interacts with itself, other cells, and the environment. Cell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes. Typically, the signaling process involves three components: the signal, the receptor ...

  8. Taxonomy (biology) - Wikipedia

    en.wikipedia.org/wiki/Taxonomy_(biology)

    e. In biology, taxonomy (from Ancient Greek τάξις (taxis) 'arrangement' and -νομία (-nomia) ' method ') is the scientific study of naming, defining (circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon) and these groups are given a taxonomic ...

  9. Sickle Cell Trait: Symptoms, Diagnosis, Treatment And More

    www.healthline.com/health/sickle-cell-trait

    fetal loss and other pregnancy complications. muscle breakdown. severe pain. renal papillary necrosis (a serious kidney disorder) splenic infarction (blocked blood flow to the spleen causing ...

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