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5.Molecular Basis of Inheritance
medium
If the sequence of one strand of $DNA$ is written as follows:
$5'- ATGCATGCATGCATGCATGCATGCATGC-3'$
Write down the sequence of complementary strand in $5^{\prime} \rightarrow 3^{\prime}$ direction
Option A
Option B
Option C
Option D
Solution
The $DNA$ strands are complementary to each other with respect to base sequence. Hence, if the sequence of one strand of $DNA$ is
$5'- ATGCATGCATGCATGCATGCATGCATGC – 3' $
Then, the sequence of complementary strand in $5 '$ to $3 '$ direction will be
$3'- TACGTACGTACGTACGTACGTACGTACG – 5' $
Therefore, the sequence of nucleotides on $DNA$ polypeptide in $5^{\prime}$ to $3^{\prime}$ direction is
$5'- GCATGCATGCATGCATGCATGCATGCAT-3'$
Standard 12
Biology
