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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. |
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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. |
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GO:0065007
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biological regulation
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Any process that modulates a measurable attribute of any biological process, quality or function. |
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GO:0050789
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regulation of biological process
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Any process that modulates the frequency, rate or extent of a biological process. Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. |
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GO:0048519
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negative regulation of biological process
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Any process that stops, prevents, or reduces the frequency, rate or extent of a biological process. Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. |
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GO:0048583
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regulation of response to stimulus
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Any process that modulates the frequency, rate or extent of a response to a stimulus. Response to stimulus is 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. |
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GO:0048585
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negative regulation of response to stimulus
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Any process that stops, prevents, or reduces the frequency, rate or extent of a response to a stimulus. Response to stimulus is 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. |
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GO:0009605
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response to external 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 an external stimulus. |
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GO:0032101
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regulation of response to external stimulus
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Any process that modulates the frequency, rate or extent of a response to an external stimulus. |
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GO:0032102
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negative regulation of response to external stimulus
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Any process that stops, prevents, or reduces the frequency, rate or extent of a response to an external stimulus. |
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GO:0006935
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chemotaxis
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The directed movement of a motile cell or organism, or the directed growth of a cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis). |
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GO:0042330
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taxis
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The directed movement of a motile cell or organism in response to an external stimulus. |
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GO:0040011
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locomotion
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Self-propelled movement of a cell or organism from one location to another. |
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GO:0040012
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regulation of locomotion
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Any process that modulates the frequency, rate or extent of locomotion of a cell or organism. |
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GO:0040013
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negative regulation of locomotion
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Any process that stops, prevents, or reduces the frequency, rate or extent of locomotion of a cell or organism. |
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GO:0050920
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regulation of chemotaxis
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Any process that modulates the frequency, rate or extent of the directed movement of a motile cell or organism in response to a specific chemical concentration gradient. |
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GO:0050922
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negative regulation of chemotaxis
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Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of a motile cell or organism in response to a specific chemical concentration gradient. |
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GO:0010183
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pollen tube guidance
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The process in which the growth of pollen tube is directed towards the female gametophyte. |
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GO:0050918
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positive chemotaxis
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The directed movement of a motile cell or organism towards a higher concentration of a chemical. |
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GO:0050926
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regulation of positive chemotaxis
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Any process that modulates the frequency, rate or extent of the directed movement of a motile cell or organism towards a higher concentration in a concentration gradient of a specific chemical. |
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GO:0050928
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negative regulation of positive chemotaxis
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Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of a motile cell or organism towards a higher concentration in a concentration gradient of a specific chemical. |
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GO:0160068
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negative regulation of pollen tube guidance
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Any process that decreases the rate, frequency or extent of pollen tube guidance towards ovules. This is one mechanism to prevent polytuby, the simultaneous penetration of ovules by multiple pollen tubes. |
