13. Choose/mark the correct word to complete the statement. Consider the regulation of CAMP and the Lac operon. If bacteria are in a medium containing low glucose, but suddenly glucose concentration in the medium increases by ten fold, then we expect that CAMP will/ will not increase inside the cell.

13. Choose/mark the correct word to complete the statement. Consider the regulation of CAMP and the Lac operon. If bacteria are in a medium containing low glucose, but suddenly glucose concentration in the medium increases by ten fold, then we expect that CAMP will/ will not increase inside the cell.

Name: 13. Choose/mark the correct word to complete the statement. Consider
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Description: 13. Choose/mark the correct word to complete the statement. Consider the regulation of CAMPand the Lac operon. If bacteria are in a medium containing low glucose, but suddenly glucoseconcentration in the medium increases by ten fold, then we expect

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 11TYU

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1. Complete the following table based on your lac operon simulations. Absence of lactose Presence of lactose B-galactosidase permease B-galactosidase permease I*P*O*Z*Y* Mututed ISP+O*ZY* I'P*O°Z*Y* I*P*O°ZY
Answer the following questions based on the lac Operon metabolic pathway. The lac Operon regulates the metabolism of what molecule? Is this metabolic pathway is catabolic or anabolic? How many genes are regulated by lac Operon? What binds to the operator when lactose levels are low? What happens when lactose levels are high?
Answer the following questions: 1. Given the following genotypes, explain how the mutation (identified by a () superscript will affect E. coli grown in lactose medium. Will the lac operon be on or off? Will there be a complete set of gene products from the loc operon? What will be the implication of the missing gene product, if ever? Will the cell be able to survive in the lactose medium or not? a. p' oE Y b. p'o Y d. po v
Read the following statements about operons, and mark the FALSE one. O a. Prokaryotes use operons frequently because they are an efficient use of resources O b. The expression levels of the genes in an operon can be regulated individually Genes in an operon are placed next to each other (physically) O d. The genes in an operon share a single promoter
Please complete the table representing the regulation of the lactose operon. Please highlight any data that provides evidence of trans regulation.
Part A If E. coll bacteria are placed in an environment that contains both glucose and lactose, the regulation of the lac operon will allow which nutrient to be processed first? ONether will be processed in this environment O Both will be processed at the same time. Glucose O Not enough is known about the regulation of the lac operon to know which nutrient will be processed first Lactose Submit Request Answer
Describe the probable genetic defect that abolishes the sensitivity of the lac operon to the absence of glucose when other metabolic operons continue to be sensitive to the absence of glucose.
Explain how the Lac operon functions when there are low glucose levels and high lactose levels. Be sure to address the regulatory and structural gene region of the operon and how each of the following function: CAP, cAMP, RNA polymerase and the repressor protein.
Explain how the following conditions will affect the regulation of the operon. (3 pts) Low cAMP levels; E. coli grown in a high lactose medium
You are growing E. coli in a laboratory in order to study their operons. The growth media you are using contains lactose, no glucose and no tryptophan. Using your knowledge of operons and their regulation, answer the following questions I really need a in depth epxplantion for the queshtions to make sure i understand the answers a.What effect does lactose have on the bacterial cell’s lac operon? b.What does the absence of glucose do to the bacterial cell? c.You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon? d.What kind of regulation does lactose provide to an operon’s repressor?
What 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! Glucose is absent and lactose is present Glucose is present and lactose is present Glucose is present and lactose is absent