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?

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 13TYU: INTERPRET DATA Develop a simple hypothesis that would explain the behavior of each of the following...
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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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