They contain carbon, hydrogen, oxygen and nitrogen and usually sulfur, occasionally phosphorus. Proteins form a large and essential part of the body mass, comprising especially cell membranes, connective tissue, muscles, enzymes, hormones, blood proteins. To maintain this mass the diet must contain a high proportion of protein, especially in growing animals and those recovering from debilitating diseases.
Russian composer Sergei Prokofiev wrote Peter and the Wolf in 1936 after returning to Moscow following a 19-year, self-imposed exile. It is a children's musical story that teaches about the orchestra by introducing various characters portrayed by seven themes played on either solo instruments or groups of instruments.
Bela Viktor Janos Bartok was a famous Hungarian composer and pianist. He is considered to be one of the most influential composers of the 20th century.He shares the honor as Hungaryâs greatest composer with Franz Liszt. He was a child prodigy with great musical skills, which his mother recognized very early on.ela Viktor Janos Bartok was a famous Hungarian composer and pianist. He is considered to be one of the most influential composers of the 20th century.