Given the following strand of DNA: 5′ CATAGCCTTA 3′
Which of the following sequences is the complementary DNA strand?
A)5′ CATAGCCTTA 3′
B)3′ GTATCGGAAT 5′
C)5′ GTATCGGAAT 3′
D)3′ GUAUCGGAAU 5′
E)3′ CATAGCCTTA 5′

Question

Quizplus · Accepted Answer

The complementary DNA strand is formed by pairing A with T and G with C, but it is also antiparallel to the original strand. Therefore, the correct complementary sequence to 5′ CATAGCCTTA 3′ is 3′ GTATCGGAAT 5′.

Given the Following Strand of DNA: 5′ CATAGCCTTA 3′