A cell has evolved in an environment that lacks a particular food source. However, when given this food in the laboratory, it is able to digest and use it for energy. Which of the following is likely true about the operon used to produce the enzymes needed for this metabolic process? O A. The repressor is produced in the active state which causesst to bind to the operator. B. The repressor is produced in the inactive state which causes it to bind to the operator. O C. The repressor is produced in the active state which causes it to bind to the promoter. O D. The repressor is produced in the inactive state which causes it to bind to the promoter.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN:9781305967359
Author:STARR
Publisher:STARR
Chapter9: From Dna To Protein
Section: Chapter Questions
Problem 15SA: Put the following processes in order of their occurrence during expression of a eukaryotic gene: a....
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A cell has evolved in an environment that lacks a particular food source. However, when given this food
in the laboratory, it is able to digest and use it for energy. Which of the following is likely true about the
operon used to produce the enzymes needed for this metabolic process?
O A. The repressor is produced in the active state which causest to bind to the operator.
O B. The repressor is produced in the inactive state which causes it to bind to the operator.
O C. The repressor is produced in the active state which causes it to bind to the promoter.
O D. The repressor is produced in the inactive state which causes it to bind to the promoter.
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Transcribed Image Text:A cell has evolved in an environment that lacks a particular food source. However, when given this food in the laboratory, it is able to digest and use it for energy. Which of the following is likely true about the operon used to produce the enzymes needed for this metabolic process? O A. The repressor is produced in the active state which causest to bind to the operator. O B. The repressor is produced in the inactive state which causes it to bind to the operator. O C. The repressor is produced in the active state which causes it to bind to the promoter. O D. The repressor is produced in the inactive state which causes it to bind to the promoter. ered MacBook Air F1 F2 F3 D00 F4 E5 F6 00
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Why is step 2 correct, is it because this is a repressible operon? 

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