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A. Which operons would be functional under these conditions? lac and trp B. What repressors would be made? no repressors made C. Which repressor(s) would be made in the inactive form? trpR D. Which repressor(s) would be made in the active form? no repressor E. Which repressor(s) under these conditions can bind the operator sequence ? trpR & lacl F. Which repressor(s) under these conditions cannot bind the operator sequence? trpR & lacl G. What effect does lactose have on the bacterial cell's lac operon? it induces the operon H. What does the absence of glucose do to the bacterial cell? it inhibits the lac operon I. You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon? the trp operon is inhibited J. What kind of regulation does lactose provide to the repressor? allosteric

A. Which operons would be functional under these conditions? lac and trp B. What repressors would be made? no repressors made C. Which repressor(s) would be made in the inactive form? trpR D. Which repressor(s) would be made in the active form? no repressor E. Which repressor(s) under these conditions can bind the operator sequence ? trpR & lacl F. Which repressor(s) under these conditions cannot bind the operator sequence? trpR & lacl G. What effect does lactose have on the bacterial cell's lac operon? it induces the operon H. What does the absence of glucose do to the bacterial cell? it inhibits the lac operon I. You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon? the trp operon is inhibited J. What kind of regulation does lactose provide to the repressor? allosteric

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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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 mechanisms, answer the following questions by choosing the correct option in the dropdown menu. A. Which operons would be functional under these conditions? lac and trp B. What repressors would be made? no repressors made C. Which repressor(s) would be made in the inactive form? trpR D. Which repressor(s) would be made in the active form? no repressor E. Which repressor(s) under these conditions can bind the operator sequence ? trpR & lacl F. Which repressor(s) under these conditions cannot bind the operator sequence? trpR & lacl G. What effect does lactose have on the bacterial cell's lac operon? it induces the operon H. What does the absence of glucose do to the bacterial cell? it inhibits the lac operon I. You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon? the trp operon is inhibited J. What kind of regulation does lactose provide to the repressor? allosteric
Transcribed Image Text: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 mechanisms, answer the following questions by choosing the correct option in the dropdown menu. A. Which operons would be functional under these conditions? lac and trp B. What repressors would be made? no repressors made C. Which repressor(s) would be made in the inactive form? trpR D. Which repressor(s) would be made in the active form? no repressor E. Which repressor(s) under these conditions can bind the operator sequence ? trpR & lacl F. Which repressor(s) under these conditions cannot bind the operator sequence? trpR & lacl G. What effect does lactose have on the bacterial cell's lac operon? it induces the operon H. What does the absence of glucose do to the bacterial cell? it inhibits the lac operon I. You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon? the trp operon is inhibited J. What kind of regulation does lactose provide to the repressor? allosteric
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