In an inducible operon, the repressor is synthesized in an active form. 349) its active repressor substance is combining with an inducer substance.
Which Statement S About Inducible Operons Is Are Correct. Coli, often contain genes encoding enzymes in a pathway involved in the metabolism of a specific substrate like lactose. In an inducible operon, an inducer inactivates the repressor. Protein degradation via proteases 6. D) transcription does not involve promoters.
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In an inducible system, the operon stops, which means that its repressor is active or actively suppresses the starting of the system. Asked jan 29, 2021 in other by manish56 expert (60.9k points) 0 votes. D a repressible operon is on unless a corepressor is present. The rna polymerase core enzyme is sufficient for correct initiation of transcription.
A) large polycistronic transcripts are common.
Asked jan 29, 2021 in other by manish56 expert (60.9k points) 0 votes. “on” summaryæ by default, an inducible operon is “off” and is thus often involved in catabolic processes. Galactose is present in the cell. Repressible enzymes generally function in anabolic pathways. Inducible operons are the opposite of a repressible operon, which is always on until repressed. They are turned on by the substrate of the enzyme.e.
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D) transcription does not involve promoters. They are turned on by the substrate of the enzyme.e. The lake operon is a classic example of an inducible operon.
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Let�s take a closer look at how genes are regulated in bacteria. Choose the correct order of procedure in performing chromatin immunoprecipitation (chip). C) their dna is transcribed into a single molecule of mrna.
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Asked jan 29, 2021 in other by manish56 expert (60.9k points) 0 votes. The lac operon of e. B) the cell will survive if the cell has high levels of laci expression.
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Which is incorrect about inducible operons? A) the tryptophan operon is a repressible operon. In contrast, an inducible operon is stimulated when a specific small molecule interacts with a regulatory protein.
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- which of the following statements about operons is (are) true? This chapter contains a lengthy discussion of the trp operon involved in regulating the synthesis of tryptophan. C) constitutively expressed genes are generally unregulated.
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Let�s take a closer look at how genes are regulated in bacteria. A) the cell will survive if the environment has sufficient glucose. Choose the correct order of procedure in performing chromatin immunoprecipitation (chip).
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A) operons involved in catabolism are typically inducible. Each of the tissues listed in column a is related to one of the functions given in column b. If2 stimulates binding of the 30s ribosome subunit to mrna.
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D) the cell will not survive because inducible operons must be stimulated for the cell to survive. Crosslinking proteins and chromosomes via uv 4. A) the cell will survive if the environment has sufficient glucose.
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They include the lac operon. Lactose is present in the cell. These enzymes are only required when that substrate is available, thus expression of the operons is typically induced only in the presence of the substrate.
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In contrast, an inducible operon is stimulated when a specific small molecule interacts with a regulatory protein. A) operons involved in catabolism are typically inducible. The lake operon is a classic example of an inducible operon.
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An elongation complex in eukaryotes. It would energetically inefficient to produce lactase when the substrate lactose (allolactose) is absent. The two french scientists, jacob and monod proposed the lac operon of e.
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Crosslinking proteins and chromosomes via uv 4. Coli require lactose as a nutrient source for life. Asked jan 29, 2021 in other by manish56 expert (60.9k points) 0 votes.
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D) regulation of gene expression only involves control of transcription. A polyribosome is a complex of many ribosomes and an mrna. Which statement about operons is false?
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E) the lac repressor gene is expressed constitutively. Two regulators turn the operon on and off in response to lactose and glucose levels: B) they consist of a cluster of genes with a single promoter.
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C) constitutively expressed genes are generally unregulated. Lactose is absent in the cell. Please change all question marks to checkmarks for correct answers or empty boxes for incorrect answers.) check all that apply book inducible operons often contain genes for enzymes that.
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In the lac operon, the genes within the operon will be expressed if: B) operons involved in anabolism are typically repressible. A) the tryptophan operon is a repressible operon.
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“on” summaryæ by default, an inducible operon is “off” and is thus often involved in catabolic processes. D) they are the units of transcriptional regulation in prokaryotes. In an inducible operon, an inducer inactivates the repressor.
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D) the cell will not survive because inducible operons must be stimulated for the cell to survive. Match the lines correct pairs by drawing. Lactose is absent in the cell.
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In an inducible operon, the repressor is synthesized in an active form. What is an inducible operon with an example? C) transcription and translation are mechanistically coupled.
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Coli, the bacterium may need to synthesize tryptophan, or its host,. Which statement(s) about inducible operons is/are correct? A complex of a ribosome with its two subunits and several mrnas.
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