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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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 how biological life arises from inorganic matter through natural processes, and the method by which life on Earth arose.
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Questions looking for clarifications or definitions of biological terminology.
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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 processes by which environmental information is encoded, stored, and retrieved.
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the study of organisms that lived in prehistoric times.
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A measure of how hot or cold something is, measured in degrees Fahrenheit or Celsius, or Kelvin.
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Questions pertaining to the processes by which new species arise.
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The timing of key events in an organism's lifetime, including development, reproduction and death.
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a single-stranded RNA virus which reproduces in human CD4-positive cells, which are primarily T-helper lymphocytes and macrophages. HIV is the causative patho…
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Fruits develop from the flower of plants and hold the seeds. They are the way of plants to distribute their seeds.
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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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The application of dynamic systems and game theory to evolving populations in biology, economics, and social sciences. It is particularly well suited for studying social dilemmas like the evolution of…
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Questions regarding organic compounds required by an organism as a vital nutrient in limited amounts.
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enyzmes (usually derived from bacterial sources) which cleave DNA at defined "restriction" sites.
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Ionizing electromagnetic waves, usually harmful to most biological beings.
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Educated guesses about the structure and function of things that do not currently exist. Many 'what if' and 'why not' questions fit this category. Questions should be posed so that they can be answere…
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Communal living, cooperation in care of young, and/or division of labor within animal species.
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Copying the genome for the purpose of reproduction.
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Questions regarding the structure, morphology, and function of the human ear.
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Fluorescent microscopy uses the emissions of fluorescently labelled probes to generate an image.
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The genetic alteration of a cell resulting from the direct uptake, incorporation, and expression of exogenous genetic material from its surroundings.
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The administration of antigenic material to stimulate the immune system of an individual to develop adaptive immunity to a disease.
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The people-biota-environment interface: organisms used by humans, and the ways humans conceive of those organisms. This can include wild, managed or domesticated organisms used for food, medicine, and…
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The laboratory technique involving the extraction of DNA from a cell in a pure form.
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designed to prevent old damaged cells from mutating into neoplastic (cancer) cells.
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Electromagnetic radiation, specifically the range of frequencies visible to humans ("visible light").
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A collection of tissues which work together to accomplish a function. The organisational unit above tissues and below systems.
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the mechanism by which a disease is causing the disease. For bacteria this can be the secretion of a toxin which is toxic for the host.