Question

1. what is the difference in structure between dna and rna?

Explanation:

DNA is double - stranded, while RNA is usually single - stranded. DNA contains deoxyribose sugar and the base thymine, whereas RNA has ribose sugar and uracil instead of thymine.

Answer:

DNA is double - stranded and has deoxyribose sugar and thymine; RNA is usually single - stranded, has ribose sugar and uracil.