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a. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region. b. Under the word gene write “ON” or “OFF” to indicate if the gene is transcribed or not under the different conditions.

a. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region. b. Under the word gene write “ON” or “OFF” to indicate if the gene is transcribed or not under the different conditions.

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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a. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region.

b. Under the word gene write “ON” or “OFF” to indicate if the gene is transcribed or not under the different conditions.

3. This is a schematic of a very simple pattern of gene expression. Yes means the protein is present and can bind the promoter. No means the protein is absent. Transcription factors are proteins that help regulate transcription by binding DNA. Activators are transcription factors that help transcription. For example, they might bend the promoter and make it accessible to RNA polymerase. Repressors are transcription factors that inhibit transcription. For example, they might bind the promoter and stop the RNA polymerase from binding. a. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region. b. Under the word gene write "ON" or "OFF" to indicate if the gene is transcribed or not under the different conditions. Activator Repressor promoter gene yes yes yes ou yes ou ou ou
Transcribed Image Text:3. This is a schematic of a very simple pattern of gene expression. Yes means the protein is present and can bind the promoter. No means the protein is absent. Transcription factors are proteins that help regulate transcription by binding DNA. Activators are transcription factors that help transcription. For example, they might bend the promoter and make it accessible to RNA polymerase. Repressors are transcription factors that inhibit transcription. For example, they might bind the promoter and stop the RNA polymerase from binding. a. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region. b. Under the word gene write "ON" or "OFF" to indicate if the gene is transcribed or not under the different conditions. Activator Repressor promoter gene yes yes yes ou yes ou ou ou
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