The Phosphorylation and Change in Shape of the Responder in the E

question 129

Multiple Choice

The phosphorylation and change in shape of the responder in the E. coli signaling transduction pathway is a key event in signaling for which of the following reasons?

• A) The signal that originally was on the outside of the cell has been transduced to a protein that exists totally within the cell's cytoplasm.
• B) The signal has been amplified.
• C) The altered responder can bind to DNA and stimulate transcription of one or more genes.
• D) Both a and c
• E) All of the above

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