Compare the foam DNA and mRNA pieces. Identify any similarities and differences in the nucleotides that comprise each nucleic acid and the larger models of each.
a) Both DNA and mRNA contain adenine, cytosine, guanine, and uracil.
b) DNA is double-stranded, while mRNA is single-stranded.
c) Both DNA and mRNA play roles in genetic expression.
d) DNA contains deoxyribose sugar, while mRNA contains ribose sugar.
