1 A short chain of amino acids is referred to as a peptide (or oligopeptide); a long chain of many (hundreds or thousands) amino acids is referred to as a polypeptide. 2  Each cell makes thousands of different KINDS of proteins.  Different kinds of proteins are composed of a different sequence of amino acids.
SHARE SHARE TWEET EMAIL. Weight training can help improve your endurance and speed as a long distance runner. It can also help you manage your weight by increasing your body's metabolism, a difficult task without strength training.To mix long distance running and weight training, you need careful planning and caution, so you can avoid burnout through overtraining.For best possible results, your program should challenge your body without causing any major pain.HARE SHARE TWEET EMAIL. Weight training can help improve your endurance and speed as a long distance runner. It can also help you manage your weight by increasing your body's metabolism, a difficult task without strength training.
For most runners, this distance will be 20-23 miles......the long run range that most experts consider to be optimum for marathon training. It's long enough to challenge and develop your body and to accustom you to the time you will be on the course in the race. I don't think longer runs are any more beneficial.