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9.Biotechnology Principals and Process
medium
$A$ : Pst I generates single stranded over hanging stretches in $DNA$ after digestion that facilitate ligation.
$R$ : These short extensions can form phosphodiester bonds with their complementary counterparts.
A
Assertion and Reason both are correct and also correct explanation.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
The short extensions form covalent bonds with their complementary counter parts.
Standard 12
Biology
