Biology for IGCSE & O level - Inheritance (Section 3 - No. 17)
Which of the following statements about DNA structure is/are correct?
DNA is a single-stranded molecule.
DNA contains the sugar deoxyribose.
DNA contains the base uracil instead of thymine.
The base pairs in DNA are A with T, and C with G.
คำอธิบาย
DNA is double-stranded, has deoxyribose, uses thymine, and the base pairings are A-T and C-G.