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Which DNA molecule among the following w...

Which DNA molecule among the following will melt at lowest temperature ?

A

`5'-A-A-T-G-C-T-G-C-3'`
`3'-T-T-A-C-G-A-C-G-5'`

B

`5'-A-A-T-A-A-A-G-C-3'`
`3'-T-T-A-T-T-T-C-G-5'`

C

`5'-G-C-A-T-A-G-G-C-3'`
`3'-C-G-T-A-T-C-C-G-5'`

D

`5'-A-T-G-G-C-T-G-C-3'`
`3'-T-A-C-C-G-A-C-G-5'`

Text Solution

Verified by Experts

The correct Answer is:
B
The DNA with the higher `A+T` will be less stable because it has less hydrogen bonds.
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