Which of the following statements about trp operon regulation is TRUE? A. Low trp levels result in trp repressor binding. B. High trp levels result in transcriptional antitermination. O C. Low trp levels cause the ribosome to fall off at the trp codons in the upstream ORF. D. High trp levels cause the ribosome to fall off at the trp codons in the upstream ORF. O E. Low trp levels result in transcriptional antitermination. QUESTION 34 Consider the following partial diploid for the lac operon system. 1. lacl+ O+ lac Z+Y-A- 2. lacls O+ lac Z-Y+ A+ In this configuration, which of the following statements is TRUE? A. With no lac present, ZYA will all be expressed. B. with lac present none of the genes (ZYA) will be expressed. C. With no lac present, only YA will be expressed. D. None of these answers is correct. E. With no lac present, only Z will be expressed.

Which of the following statements about trp operon regulation is TRUE? A. Low trp levels result in trp repressor binding. B. High trp levels result in transcriptional antitermination. O C. Low trp levels cause the ribosome to fall off at the trp codons in the upstream ORF. D. High trp levels cause the ribosome to fall off at the trp codons in the upstream ORF. O E. Low trp levels result in transcriptional antitermination. QUESTION 34 Consider the following partial diploid for the lac operon system. 1. lacl+ O+ lac Z+Y-A- 2. lacls O+ lac Z-Y+ A+ In this configuration, which of the following statements is TRUE? A. With no lac present, ZYA will all be expressed. B. with lac present none of the genes (ZYA) will be expressed. C. With no lac present, only YA will be expressed. D. None of these answers is correct. E. With no lac present, only Z will be expressed.

Name: Which of the following statements about trp operon regulation is TRUE
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Description: Which of the following statements about trp operon regulation is TRUE?A. Low trp levels result in trp repressor binding.O B. High trp levels result in transcriptional antitermination.C. Low trp levels cause the ribosome to fall off at the trp codons

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 9TYU: A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous...

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