I know the answer is e but can you thoroughly explain the answer choices? like what does constitutive, inducible, expressed mean? and how do these conditions come about?

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter17: Bacterial And Viral Genetics
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I know the answer is e but can you thoroughly explain the answer choices? like what does constitutive, inducible, expressed mean? and how do these conditions come about?

11. What is the phenotype of the bacterial strain with the following lac genotype:
IP o° Z* Y*A//$P* o* Z* Y* A°
a. lacZ is constitutive, lacY is inducible, lacA is not expressed
b. lacZ is inducible, lacY is inducible, lacA is not expressed
c. lacZ is constitutive, lacY is not expressed, lacA is not expressed
d. lacZ is inducible, lacY is not expressed, lacA is not expressed
e. lacZ is not expressed, lacY is not expressed, lacA is not expressed
Transcribed Image Text:11. What is the phenotype of the bacterial strain with the following lac genotype: IP o° Z* Y*A//$P* o* Z* Y* A° a. lacZ is constitutive, lacY is inducible, lacA is not expressed b. lacZ is inducible, lacY is inducible, lacA is not expressed c. lacZ is constitutive, lacY is not expressed, lacA is not expressed d. lacZ is inducible, lacY is not expressed, lacA is not expressed e. lacZ is not expressed, lacY is not expressed, lacA is not expressed
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