A researcher was trying to determine whether two molecules (A and B) were corepressors or inducers in their respective operon systems. Data was collected regarding the levels of protein and the amount of gene transcription for the genes in their respectiver operons. The data is shown below. Level of protein Transcription of gene 1 Transcription of gene 2 low Molecule A High low Low high high Molecule B High high high Low low low a) Determine whether molecule A and Molecule B are inducers or corepressors. Justify your answer. b) Identify which system resembles the lac operon system and which resembles the trp operon system.

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
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A researcher was trying to determine
whether two molecules (A and B) were
corepressors or inducers in their
respective operon systems. Data was
collected regarding the levels of protein
and the amount of gene transcription for
the genes in their respectiver operons.
The data is shown below.
Level of protein
Transcription of gene 1 Transcription of gene 2
low
Molecule A
High
low
Low
high
high
Molecule B
High
high
high
Low
low
low
a) Determine whether molecule A and
Molecule B are inducers or corepressors.
Justify your answer.
b) Identify which system resembles the
lac operon system and which resembles
the trp operon system.
Transcribed Image Text:A researcher was trying to determine whether two molecules (A and B) were corepressors or inducers in their respective operon systems. Data was collected regarding the levels of protein and the amount of gene transcription for the genes in their respectiver operons. The data is shown below. Level of protein Transcription of gene 1 Transcription of gene 2 low Molecule A High low Low high high Molecule B High high high Low low low a) Determine whether molecule A and Molecule B are inducers or corepressors. Justify your answer. b) Identify which system resembles the lac operon system and which resembles the trp operon system.
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