Which of the Following Examples Does NOT Describe a Mechanism

Multiple Choice

Which of the following examples does NOT describe a mechanism of post-transcriptional control of gene expression?

A) the alternative splicing of a gene, leading to the production of a muscle-specific protein
B) the action of the RNA component of telomerase
C) the activation of a protein when it is phosphorylated by a protein kinase
D) translational inhibition of an mRNA by the binding of a protein at the 5′ untranslated region of the message.