Arginine (1) Puromycin (1) Proteins (1) Phenylalanine (1) Onions (1) Nuclear energy (1) Nails and spikes (1) Lysine (1) Leucine (1) Fractions (1) Autoradiography (1) Amino acids (1) Technique (1) Science (1) Experiments (1) Fenilalanina (1) Clavos (1) Fracciones (1) Ciencias (1) Proteínas (1) Energía nuclear (1) Aminoácidos (1) Technique (1) Puromycine (1) Lysine (1) Leucine (1) Clous (1) Arginine (1) Élégance (1) Fractions (1)