Choose the single stranded DNA molecule that has the best po

Choose the single stranded DNA molecule that has the best potential to form dsDNA without an enzyme: 5\' AAATTATTGGCTCCCC 5\' TTATCGGTTTTGGGGG 5\' GATTACACCTGTAATC 5\' CCCGTAATCCCGTAAT 5\' TAGTGGTTCTATATTT

Solution

Option 3 can form a ds dna by forming a hairpin like loop as they are complimentary.

5^lGATTACACCTGTAATC

3^lCTAATGT