For this lac partial diploid mutant in an E. coli strain, indicate whether B-galactosidase and permease would be expressed in the absence or presence of lactose in the cell. Copy and fill out the table or similar. Also, explain the most important mutants or events that determine gene expression in this cell. lacl* lacP* lacO* lacZ* lacY/ lacl* lacP" lacoC lacZ lacY+ Lactose present B-galactosidase present/absent Lactose absent B-galactosidase present/absent permease permease present/absent present/absent

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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For this lac partial diploid mutant in an E. coli strain, indicate whether B-galactosidase and permease would be expressed in the absence or presence of lactose in the cell. Copy
and fill out the table or similar.
Also, explain the most important mutants or events that determine gene expression in this cell.
lacl* lacP+ lacO* lacZ* lacY/ lacl* lacP laco lacZ lacY
Lactose present
B-galactosidase
present/absent
Lactose absent
B-galactosidase
present/absent
permease
present/absent
permease
present/absent
Transcribed Image Text:For this lac partial diploid mutant in an E. coli strain, indicate whether B-galactosidase and permease would be expressed in the absence or presence of lactose in the cell. Copy and fill out the table or similar. Also, explain the most important mutants or events that determine gene expression in this cell. lacl* lacP+ lacO* lacZ* lacY/ lacl* lacP laco lacZ lacY Lactose present B-galactosidase present/absent Lactose absent B-galactosidase present/absent permease present/absent permease present/absent
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