Comparison ยท Science

RNA vs DNA

RNA helps express and regulate genes; DNA stores genetic instructions.

RNA

  • single strand
  • uracil
  • short-lived
  • messenger roles

DNA

  • double helix
  • thymine
  • stable storage
  • replicates

Core Difference

RNA is single-stranded and often temporary; DNA is double-stranded long-term storage

Use Cases

DNA stores genomes; RNA carries messages or functional roles like tRNA and rRNA

Verdict

DNA preserves code; RNA executes and regulates expression

Related Terms