What is the complementary nucleotide sequence that pairs with each base on the DNA strand, 5′ C-G-T-A-C-G-A 3′?

• A. 3′ G-C-A-T-G-C-T 5′
• B. 3′ G-C-A-T-G-C-A 5′
• C. 3′ T-A-C-G-T-A-C 5'
• D. 3′ G-C-T-A-C-G-T 5′

Answer: (A)