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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a naturally occurring, not proteinogenic alpha-amino acid.
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A genus of retroviruses with a lengthy incubation time, in particular HIV. Commonly used as DNA transduction agents in animal cells.
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The monoamine neurotransmitter, serotonin, also referred to by its chemical name 5-hydroxytryptamine (5-HT). It binds to and activates the 5-HT family of receptors.
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Questions pertaining to the synthesis of DNA from RNA.
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The study of the adaptability of the nervous system. It includes changes in neural pathways and synapses due to changes in behavior (e.g., learning), environment (e.g., stressors) and bodily injury (e…
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Promoter from the bateriophage T7. The promoter is highly specific for the T7-RNA polymerase and widely used in the field of molecular biology as promoter for controlled gene expression.
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Tag for questions related to interaction between two different species living in close physical association, typically to the advantage of both.
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a radiological tool used to create images of an organism of higher quality than x-rays.
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Small genus of bacteria that lack cell walls that is a common source of contamination. There are also some pathogenically relevant species.
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a neurotransmitter that plays a key role in allergenic responses, sleep, alertness, cognition and gastric acid synthesis and secretion. It binds primarily to the four types of histamine r…
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can be used for questions related to the processing of images used to provide photographic evidence of a biological phenomena or to explain reasons why a photograph may suggest one phenomena …