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11 Cards in this Set
- Front
- Back
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An ____ ____ is a gene that is transcribed into RNA.
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expressed gene
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A group of genes that work together are known as ____.
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operon
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__ ____ are a group of genes that are expressed in order for the bacterium to use the sugar, lactose as food.
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Lac operon
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The lac genes are turned off by ________ and turned on by the presence of _____.
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repressors
lactose |
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The _________ is several copies of a DNA-binding protein known as the lac repressor, binding the O region.
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operator
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____ are generally not found in eukaryotes.
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Operons
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The ______ _____ is a sequence of genes just before the start of transcription, common in most eukaroytics.
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TATA box
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_______ are found just before the TATA box.
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Promoters
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Why is gene regulation more complex in eukaryotics?
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Multicellular organisms have cell specialization which requires genetic specialization.
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_____________ means to specialize in structure and function.
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Differentiation
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The ___ ____ control the differentiation of cells and tissues in the embryo.
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hox genes
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