Răspuns:
holoproteine: keratina, colagenul, lactalbumina, ovalbumina, mioalbulina, legumina, serumglobulina, gluteinele, lactoglobulina, histone, fibroina, miozina, anticorpii, fibrinogenul, tripsina
hetero: cazeina, hemocianina, insulina, hemocianinele, citocrom, fosvitina, feritina