What do the letters DNA stand for?

• A. Deoxyribonucleic acid
• B. Deoxynucleic acid
• C. Deoxyribose nucleic acid
• D. Dinucleotide acid

Answer: (A)

Verified step by step guidance

1. Understand that the question is asking for the full form of the abbreviation 'DNA'.
2. Recall that DNA is a molecule that carries genetic information in living organisms.
3. Break down the abbreviation: 'D' stands for 'Deoxy', 'N' stands for 'Ribo' or 'Ribonucleic', and 'A' stands for 'Acid'.
4. Combine these parts to form the full name: 'Deoxyribonucleic acid'.
5. Verify that this matches the known scientific term for DNA, which is the molecule responsible for storing genetic instructions.