3. Nucleic acids are long chains of nucleotides, which make up our genetic

material. DNA is made of: (1 point)

adenine, bromine, mercury, nitrogen

adenine, cytosine, thymine, guanine

chlorine, adenine, fluoride, sodium

iron, magnesium, beryllium, potassium

1 answer

adenine, cytosine, thymine, guanine