Which Statement Correctly Describes the Signal Transduction Pathway Initiated by the Binding

question 45

Multiple Choice

Which statement correctly describes the signal transduction pathway initiated by the binding of cytokinins to its receptor protein?

• A) Protein kinase activity occurs at the cytoplasmic end of the receptor,leading to activation of effectors.
• B) Protein kinase activity occurs at the extracellular end of the receptor,leading to activation of transcription factors.
• C) Transcription factors are activated,leading to activation of effectors.
• D) Gene transcription leads to production of more receptor proteins.
• E) The cytokinin‒receptor complex enters the nucleus,leading to gene expression.

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