0845 numbers, for example, are free to call for up to an hour, during the inclusive minutes of your call package if you're a BT customer. Yet call an 0844 number and you'll be charged up to 5.1p/minute, plus a connection fee of up to 15p.
The resulting mRNA is a single-stranded copy of the gene, which next must be translated into a protein molecule. During translation, which is the second major step in gene expression, the mRNA is read according to the genetic code, which relates the DNA sequence to the amino acid sequence in proteins (Figure 2).
1 The process by which the DNA instructions are converted into the functional product is called gene expression. 2  Gene expression has two key stages-transcription and translation. 3  In transcription, the information in the DNA of every cell is converted into small, portable RNA messages. The central dogma suggests that DNA contains the information needed to make all of our proteins, and that RNA is a messenger that carries this information to the ribosomes. 2  The ribosomes serve as factories in the cell where the information is âtranslatedâ from a code into the functional product.