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Biology, 30.09.2019 11:30 Pandagurl2125
The operon model describes how bacteria control the production of groups of enzymes. in this model, synthesis of the messenger rna coding for these enzymes is switched on or off by regulatory proteins.
can you match terms related to operons to their definitions?
1. a(n) is a stretch of dna consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.
2. the is/are arranged sequentially after the promoter.
3. a(n) is a specific nucleotide sequence in dna that binds rna polymerase, positioning it to start transcribing rna at the appropriate place.
4. a(n) for a protein, such as a repressor, that controls the transcription of another gene or group of genes.
5. regulatory proteins bind to the to control expression of the operon.
6. a(n) is a protein that inhibits gene transcription. in prokaryotes, this protein binds to the dna in or near the promoter.
7. a(n) is a specific small molecule that binds to a bacterial regulatory protein and changes its shape so that it cannot bind to an operator, thus switching an operon on.
genes of an operon
regulatory gene
repressor
operator
promoter
operon
inducer
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Biology, 22.06.2019 10:10, NewKidnewlessons
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The operon model describes how bacteria control the production of groups of enzymes. in this model,...
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