3. Nucleic acids are long chains of nucleotides, which make up our genetic material. DNA is made of: (1 point)
1. adenine, cytosine, thymine, guanine
2. iron, magnesium, beryllium, potassium
3. adenine, bromine, mercury, nitrogen
4. chlorine, adenine, fluoride, sodium
1 answer
1. adenine, cytosine, thymine, guanine