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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Definitions:

Agricultural Policies

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Criticisms

The expression of disapproval based on perceived faults or mistakes, or the analysis and judgment of merits and faults.

Inelastic Demand

A situation where the demand for a good or service is relatively insensitive to changes in price, meaning that percentage changes in price lead to smaller percentage changes in the quantity demanded.

Substitution Effect

The substitution effect occurs when consumers replace more expensive items with less costly alternatives as prices change.