Refer to the Figure Below Showing a Signal Reception Pathway

question 102

Multiple Choice

Refer to the figure below showing a signal reception pathway. What happens when the relevant hormone (e.g., auxin or gibberellin) is absent?

• A) The repressor protein prevents transcription of growth promoting genes.
• B) The addition of ubiquitin to the repressor is stimulated.
• C) The repressor protein is broken down in the proteasome.
• D) Genes for the relevant hormone are transcribed.
• E) The relevant hormone is produced in the cytoplasm of cell.

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