🧬DNA vs RNA🧬
DNA and RNA are the two nucleic acids that run the chemistry of life. DNA is the master archive, while RNA is the working copy that gets things done.
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🧬DNA
- ✓Stores hereditary information stably for generations
- ✓Double-stranded helix, very stable structure
- ✓Contains deoxyribose sugar (lacks one oxygen)
- ✓Uses bases A, T, G and C
- ✓Stays mostly in the cell nucleus
🧬RNA
- ✓Carries and translates genetic instructions into proteins
- ✓Usually single-stranded and more flexible
- ✓Contains ribose sugar (has an extra oxygen)
- ✓Uses bases A, U, G and C (uracil instead of thymine)
- ✓Found throughout the cell, including the cytoplasm
Verdict
DNA is the secure library of genetic data; RNA is the messenger and worker that reads and uses it. Life needs both — DNA for permanence, RNA for action.
Frequently asked
What base differs between DNA and RNA?+
DNA uses thymine (T) while RNA uses uracil (U) in its place; both share adenine, guanine and cytosine.
Why is DNA more stable than RNA?+
DNA's double helix and deoxyribose sugar make it chemically resistant, ideal for long-term storage.
What are the main types of RNA?+
Messenger RNA (mRNA), transfer RNA (tRNA) and ribosomal RNA (rRNA) work together in protein synthesis.
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