The true statement is: DNA has the sugar deoxyribose, while RNA has the sugar ribose.
The other statements you provided are false.
- Translation is the process that converts mRNA into proteins, while transcription is the process that copies DNA to mRNA.
- Thymine is present only in DNA, but cytosine is found in both DNA and RNA.
- DNA is typically double-stranded, while RNA is usually single-stranded.