GO:0008150
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biological_process
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A biological process is the execution of a genetically-encoded biological module or program. It consists of all the steps required to achieve the specific biological objective of the module. A biological process is accomplished by a particular set of molecular functions carried out by specific gene products (or macromolecular complexes), often in a highly regulated manner and in a particular temporal sequence. |
GO:0050896
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response to stimulus
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Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus and ends with a change in state or activity or the cell or organism. |
GO:0042221
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response to chemical
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Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a chemical stimulus. |
GO:0051606
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detection of stimulus
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The series of events in which a stimulus is received by a cell or organism and converted into a molecular signal. |
GO:0009593
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detection of chemical stimulus
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The series of events in which a chemical stimulus is received by a cell and converted into a molecular signal. |
GO:0003031
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detection of carbon dioxide
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The series of events in which a carbon dioxide stimulus is received by a cell and converted into a molecular signal. |