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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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Tag for questions related to the process of cells receiving a stimulus from its environment, or from itself (autocrine signaling), and responding as a result of the stimulus.
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Determining the sequence of RNA. This technique is used for discovery and quantification of mRNAs and ncRNAs.
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The process in nature or in the lab by which a new organism is created that is genetically identical to its predecessor.
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The process of biological aging or the state of an organism being biologically old.
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The study of the molecular structure of biological macromolecules and how that structure relates to their function.
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Questions involving the study of sex and reproduction, mating systems, sexuality, sex determination, gender, the evolution of sex, and other topics in the context of sex.
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off-topic unless dealing with the biology underlying health and medicine. Please carefully explore the tour, help centre, and meta before posting health and medicine …
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Division of a diploid cell to produce four haploid cells for the purposes of reproduction.
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Models that analyse biological systems or processes using the tools of applied mathematics.
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A protein produced by the B-cells of the immune system which binds to a particular antigen, a foreign substance to the body.
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A method for analyzing or purifying samples. Molecules are separated by their relative weight, charge, or stereochemistry, which affect their speed of movement through a gel.
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The entirety of an organism's hereditary information.
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The physiological process of breaking down food into its constituent parts to provide nutrition for the body.
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Questions relating to how the field of biology has developed over time.
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the process of protein synthesis. The information encoded in the mRNA is translated into an amino acid sequence through the joint activity of tRNAs and ribosomes.
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Questions relating to the binding of proteins to each other and other molecules.
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Questions pertaining to red blood cells, or erythrocytes, the most common type of blood cell that is responsible for delivering oxygen throughout the body.
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Often circular segments of DNA that can replicate outside of the chromosomes. Generally found in bacteria.
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the process of attaining awareness or understanding of the environment by organizing and interpreting sensory information coming from body receptors and sensory organs into CNS.
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the ability to perceive sound by detecting vibrations through an organ such as the ear.
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The scientific study of behaviour and of the mind.
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The physiological process of inhaling and exhaling air for the purpose of gas exchange in the lungs.
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The biosynthetic process by which copies of a DNA molecule are made.
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The process in which a protein folds into a three-dimensional shape to achieve proper functioning.
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an approach to engineer biology. Core to the discipline is genetic engineering, which is made more akin to engineering by adding the levels of standardization, automation, and abs…
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Questions dealing with biological processes in relation to temperature, for instance temperature effects on metabolism, enzyme function or development time. Temperature can be measured on many differe…
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the study of organisms that lived in prehistoric times.
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In reference to a biological system over time, growth refers to the increase in physical size/mass as well as the progression through its life cycle.
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Electromagnetic radiation, specifically the range of frequencies visible to humans ("visible light").
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Biologically-synthesized chemicals (or their derivatives) that cause growth suppression or death of bacteria. Other anti-microbials are often also considered under the class antibiotics these days.
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The study of parasites, their hosts, and the relationship between them.
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A state in which an organism or a cellular system, as defined by its full set of functionality, ceases to exist (i.e., most of the functions are irreversibly lost).
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A process defining organisms that grow and adapt to stimuli while maintaining a state of organization and energy production and being capable of reproduction.
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The eukaryotic process characterized by replication of nuclear DNA and formation of a second identical nucleus. Separate from cytokinesis.
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A rapid change in the membrane potential of excitable cells such as neurons and muscles; this usually involves a steep rise (depolarization) followed by a steep fall in membrane potential (repolariza…
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caused by the invasion of by pathogenic organisms (bacteria, viruses or worms) into a host. These pathogenic organisms live and multiply in its host and cause diseases by this.