Question

the sequence 5-gaacga-3 may be found in which of the following?
dna only
rna only
either dna or rna
either dna or rna

Explanation:

The bases G (guanine), A (adenine), and C (cytosine) are present in both DNA and RNA. So a sequence with these bases can be in either DNA or RNA.

Answer:

either DNA or RNA