Refer to the Figure Below

question 66

Multiple Choice

Refer to the figure below. A portion of a signal transduction pathway is shown in the figure.The molecule raf is a protein kinase.This molecule becomes activated when a GTP-ras complex binds to it.Which equation describes how activated raf transmits the signal in this pathway?

• A) ATP cAMP + PPi
• B) cAMP AMP
• C) Inactive enzyme + ATP active phosphorylated enzyme + ADP
• D) Inactive phosphorylated enzyme + ADP inactive enzyme + ATP
• E) Inactive enzyme + ADP active phosphorylated enzyme + ATP

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