KVPY SX SB Exam 20141 Question Paper

Question : 79 of 120

Marks: +1, -0

Which one of the following is the complementary sequence for the DNA with 5 '-CGTACTA-3'

Solution:

Double stranded DNA has antiparalllel strands and complementary N-bases
so,

5′ \CGTACTA 3′

\;\;\;\;\;\;3′ \GCATGAT 5′

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;{◂–––– }

thus, answer is

5′\TAGTACG3′

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