Observe a imagem do Cartaz III. Descreva o que você vê. Em seguida, leia a frase “Doe leite materno, alimente a vida” e descreva as percepções e/ou sensações suscitadas, em você, durante essa leitura.​

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.