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Definition
| phenomenon in which the level of gene expression can vary under different conditions |
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| metabolism, response to environmental stress, cell division |
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Definition
| processes commonly regulated on the genetic level |
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| transcriptional regulation |
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Definition
| most common form of regulation in bacteria; regulation of the rate of this process |
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| regulatory protein that binds to the dna and inhibits transcription |
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| regulatory protein that increases the rate of transcription |
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| transcriptional reg by a repressor |
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Definition
| regulation by an activator protein |
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Definition
| small effector molecule that causes transcription to increase |
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| genes that are up-regulated using an inducer |
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Definition
| small molecule that bind to a repressor protein, causing it to bind to the DNA (lower rate) |
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| binds to an activator protein and prevents it from binding to the dna (lower rate) |
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| particular enzyme appears with a living cell only after the cell has been exposed to the substrate for that enzyme |
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Definition
| two or more genes under transcriptional control of a single promoter |
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| contains the sequences for two or more genes |
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| sequence that signals the beginning of transcription |
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| sequence that specifies the end of transcription |
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Definition
| catabolite activator protein site; CAP binds in presence of cAMP (absence of glucose) |
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Definition
| sequence that is binding site of repressor protein |
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Term
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Definition
| codes for the lac pressor; trans element |
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Definition
| small effector molecule binds to at least 2 allosteric sites to release repressor from operator |
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Definition
| bacteria containing F' factor; a partial diploid. |
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Definition
| genetic regulation that can occur event though two pieces of dna are not adjacent |
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| regulation that can only have effect if the two pieces of dna are adjacent to one another |
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| transcriptional regulation influenced by presence of glucose as it is broken down inside the cell |
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| involved in arabinose metabolism; |
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Definition
| involved in tryptophan production; repressible in presence of tryptophan |
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Definition
| after transcription begins, selective stem-loop formation in the dna can facilitate termination |
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Term
| posttranslational regulation |
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Definition
| functional control of proteins that are already present in the cell |
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