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Consider a polycistronic operon consisting of genes B, C, and D (in that order) and with a single promoter upstream of the B gene. A. The promoter located upstream of gene B undergoes a mutation, such that three of the bases in the -10 region are changed. How would this affect the synthesis of proteins encoded by genes B, C, and D? B. What would be the effect of a three-base-pair mutation in the ribosome- binding site of gene C on synthesis of proteins B, C, and D?

Consider a polycistronic operon consisting of genes B, C, and D (in that order) and with a single promoter upstream of the B gene. A. The promoter located upstream of gene B undergoes a mutation, such that three of the bases in the -10 region are changed. How would this affect the synthesis of proteins encoded by genes B, C, and D? B. What would be the effect of a three-base-pair mutation in the ribosome- binding site of gene C on synthesis of proteins B, C, and D?

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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Consider a polycistronic operon consisting of genes B, C, and D (in that order) and with a single promoter upstream of the B gene. A. The promoter located upstream of gene B undergoes a mutation, such that three of the bases in the -10 region are changed. How would this affect the synthesis of proteins encoded by genes B, C, and D? B. What would be the effect of a three-base-pair mutation in the ribosome- binding site of gene C on synthesis of proteins B, C, and D?
Transcribed Image Text:Consider a polycistronic operon consisting of genes B, C, and D (in that order) and with a single promoter upstream of the B gene. A. The promoter located upstream of gene B undergoes a mutation, such that three of the bases in the -10 region are changed. How would this affect the synthesis of proteins encoded by genes B, C, and D? B. What would be the effect of a three-base-pair mutation in the ribosome- binding site of gene C on synthesis of proteins B, C, and D?
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