The cellular differentiation is a biological process i which each cell<span> becomes increasingly specialized in form and function.</span><span> Cellular differentiation progressively restricts cell fate because the unexpressed genes in the cell </span>become less densely packed and undergo irreversible repression
Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains.