Did the mRNA model more closely resemble the DNA strand from which it was transcribed?

Yes, the mRNA model closely resembles the DNA strand from which it was transcribed, specifically in terms of the sequence of nucleotides. However, there are key differences: mRNA contains uracil (U) instead of thymine (T), and it is typically single-stranded rather than double-stranded like DNA. Additionally, mRNA is a complementary copy of the coding strand of DNA, reflecting the genetic information needed for protein synthesis.