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Which of the following correctly depicts...

Which of the following correctly depicts the recognition site for EcoRI ?
(a) `{:(G-A-Aoverset(darr)-T-T-C),(C-T-Tunderset(uarr)-A-A-G):}`
(b) `{:(G-T-Coverset(darr)-G-A-C),(C-A-Gunderset(uarr)-C-T-G):}`
(c) `{:(Goverset(darr)-T-C-G-A-C),(C-A-G-C-Tunderset(uarr)-G):}`
(d) `{:(Goverset(darr)-A-A-T-T-C),(C-T-T-A-Aunderset(uarr)-G):}`

A

`{:(G-A-Aoverset(darr)-T-T-C),(C-T-Tunderset(uarr)-A-A-G):}`

B

`{:(G-T-Coverset(darr)-G-A-C),(C-A-Gunderset(uarr)-C-T-G):}`

C

`{:(Goverset(darr)-T-C-G-A-C),(C-A-G-C-Tunderset(uarr)-G):}`

D

`{:(Goverset(darr)-A-A-T-T-C),(C-T-T-A-Aunderset(uarr)-G):}`

Text Solution

Verified by Experts

The correct Answer is:
D
The recongnition sequence for enzyme `EcoRl` is a palindromic sequence `GA AT TC`. The enzyme curs between `G` and `A` bases, in their backbone on both the strands, resulting in formation of sticky ends.
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