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EIF2a Is Phosphorylated in Order to Inhibit Transcription

Question 5

Multiple Choice

eIF2a is phosphorylated in order to inhibit transcription. What is occurring at the molecular level?


A) Phosphorylated eIF2a binds to tRNAs, preventing them from attaching its amino acid
B) Phosphorylated eIF2a binds to eIF2B, inhibiting its activity
C) Phosphorylated eIF2a binds to the mRNA, blocking the Shine-Delgarno sequence and preventing translational initiation
D) All of the answers are correct

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