NEET Biology question

Which of the following is not a characteristic of the pBR322 vector?

(A)It was the first artificial cloning vector, constructed in 1977 by Bolivar and Rodriguez.
(B)It is the most widely used, versatile and easily manipulated vector.
(C)It has two antibiotic resistance genes, tetR and ampR.
(D)It does not have a restriction site for SalI.Correct

Answer: (D)

Solution

Statements (a), (b) and (c) are genuine, accurate characteristics of pBR322, whereas pBR322 does in fact carry a SalI

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Question ID VK-125243