Respuesta :
Answer:
A
Step-by-step explanation:
This is because DNA or Deoxyribonucleic acid does form a double helix while RNA or Ribonucleic acid is only a single strand.
However RNA can be found within viruses
A: DNA is a double helix, and RNA is a single strand.
C: DNA is involved only in transcription, and RNA is involved in both transcription and translation.
D: DNA does not have uracil as a nitrogen base, but RNA does have uracil as a nitrogen base.