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