During the Signal Transduction Process, the Signal Often Triggers a Signal

question 100

Multiple Choice

During the signal transduction process, the signal often triggers a signal transduction cascade. For example, an activated receptor activates hundreds of protein A. Each activated protein A activates hundreds of protein B and so on until a cellular response occurs. What purpose does this cascade serve?

• A)Having several intermediates allows for greater control of the response.
• B)The cascade serves to amplify the signal, so one activated receptor can have a significant response.
• C)Having a cascade allows the cell to respond to different signals.
• D)The cascade makes signaling easier to shut off or terminate.

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