Collagen and elastin, _______ of the skin's connective tissue, are composed of protein fibers. Resposta: (A) the chief components are (B) the c...

A resposta correta é a alternativa (A) "the chief components are". A frase completa seria: "Collagen and elastin, the chief components are of the skin's connective tissue, are composed of protein fibers." que em português significa "O colágeno e a elastina, que são os principais componentes do tecido conjuntivo da pele, são compostos por fibras de proteína."