EBK BIOLOGY
11th Edition
ISBN: 8220106820636
Author: Martin
Publisher: CENGAGE L
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Chapter 14.2, Problem 2C
What structural features does the trp operon share with the lac operon?
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What structural features does the trp operon share with the lac operon?
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Chapter 14 Solutions
EBK BIOLOGY
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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- What does the lac operon consist of? How is the operator switch turned on and off in the expression of genes in this operon? Explain.arrow_forwardWhich of the following lac operon genotypes would allow for functional versions of all the structural enzymes of the lac operon to be expressed constitutively even in the absence of lactose? Group of answer choices I+ O+ Z+ Y+ A+ I- O+ Z- Y- A- I+ OC Z+ Y+ A+ IS O+ Z+ Y+ A+ I+ O+ Z- Y+ A+arrow_forwardA mutant strain of E. coli produces β-galactosidase in both the presence and the absence of lactose. Where in the operon might the mutation in this strain be located?arrow_forward
- What is the major difference between the mechanism involved inattenuation and riboswitches and the mechanism involved in theregulation of the lactose operon?arrow_forwardWhat are the main elements of the lac operon and their functions?arrow_forwardWhat is lac operon? Draw and/or identify the status of the lac operon in a given set of environmental conditions and/or cell mutations.arrow_forward
- The transcription of many bacterial genes relies on functional groups called operons, such as the tryptophan operon. What is an operon?arrow_forwardHow does repression work in the lac operon?arrow_forwardThe trp operon, found in E. coli, is a group of genes that encode biosynthetic enzymes for the amino acid tryptophan. (i) Draw a schematic diagram showing the components involved in regulation of the tryptophan operon. (ii) How does the regulation of the trp operon differ from the regulation of the lac operon? Explain.arrow_forward
- In the lac operon system, do the inducers act at the transcription or translation level? Explain why it acts in that level in a short but concise way.arrow_forwardWhat are the effects of the following conditions on Lac operon of bacteria? Do not forget to mention about the role of repressor, activator, RNA polymerase in each case! A) Glucose is absent and lactose is present B) Glucose is present and lactose is present C) Glucose is present and lactose is absentarrow_forwardGene expression in bacteria is controlled by the operon model. a) Why is the operon model important? b) Why is the trp operon known as a repressible operon?arrow_forward
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