A researcher was trying to determine whether two molecules (molecule A and molecule B) were co- repressors or inducers in their respective operon systems. Data were collected regarding the level of the protein molecule and the amount of gene transcription for the genes in their respective operons. The data is shown below:

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
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Chapter1: The Human Body: An Orientation
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Operon System
A researcher was trying to determine whether two molecules (molecule A and molecule B) were co-
repressors or inducers in their respective operon systems. Data were collected regarding the level of the
protein molecule and the amount of gene transcription for the genes in their respective operons. The
data is shown below:
Level of Transcription
Level of Transcription
of Gene 2
Molecule
Level of the Molecule in
the Cell
of Gene 1
high
low
low
low
high
high
Identify molecule A as either an inducer or a co-repressor. Explain your choice providing support for
your answer. (You answer should include what an inducer or co-repressor does and how that relates to
what is happening in the experiment.)
Format
BIU
%24
Transcribed Image Text:Operon System A researcher was trying to determine whether two molecules (molecule A and molecule B) were co- repressors or inducers in their respective operon systems. Data were collected regarding the level of the protein molecule and the amount of gene transcription for the genes in their respective operons. The data is shown below: Level of Transcription Level of Transcription of Gene 2 Molecule Level of the Molecule in the Cell of Gene 1 high low low low high high Identify molecule A as either an inducer or a co-repressor. Explain your choice providing support for your answer. (You answer should include what an inducer or co-repressor does and how that relates to what is happening in the experiment.) Format BIU %24
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