Individual codons code for specific amino acids. A gene is a sequence of nucleotides along a DNA strand-with 'start' and 'stop' codons and other regulatory elements-that specifies a sequence of amino acids that are linked together to form a protein.ndividual codons code for specific amino acids. A gene is a sequence of nucleotides along a DNA strand-with 'start' and 'stop' codons and other regulatory elements-that specifies a sequence of amino acids that are linked together to form a protein.
Dolomites. Italy's dramatic rocky rooftop, the Dolomites, offers some of the best mountain thrills in Europe. The bold, light-gray cliffs and spires flecked with snow, above green meadows and beneath a blue sky, offer a powerful, unique, and memorable mountain experience.olomites. Italy's dramatic rocky rooftop, the Dolomites, offers some of the best mountain thrills in Europe. The bold, light-gray cliffs and spires flecked with snow, above green meadows and beneath a blue sky, offer a powerful, unique, and memorable mountain experience.
Lastly, the Eastern Alps run west to east from the Brenner Pass to Trieste and include the Dolomites (Dolomiti; see ) and Mount Marmolada (10,968 ft [3,343 m]). The Italian foothills of the Alps, which reach no higher than 8,200 ft (2,500 m), lie between these great ranges and the Po valley.