Use dotted lines to show the points where hydrogen bonds are formed between the complementary strands of DNA. What is the 5′ to 3′ nucleotide sequence of the following DNA strand?

• A. The 5′ to 3′ nucleotide sequence of the DNA strand is T-A-C-G.
• B. The 5′ to 3′ nucleotide sequence of the DNA strand is A-T-C-G.
• C. The 5′ to 3′ nucleotide sequence of the DNA strand is U-A-C-G.
• D. The 5′ to 3′ nucleotide sequence of the DNA strand is A-T-G-C.

Answer: (A)