question_answer

The complementary stand of DNA for the following single standed DNA sequence, 5'?A?T?C?A?T?G?-C?3' is

A) 5'?A?T?C?A?T?G?C?3'

B) 5?T?A?G?T?A?C?G?3'

C)  5?G?C?A?T?-G?A?-T?3'

D)  5?C?G?T?A?C?T?A?3'

Correct Answer: B

Solution :

In complementary strand 'A' will be replaced by 'T' and vice-veisa and 'G' by 'C' and vice-veisa.