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Match List-I with List-II. List-I List-II (A) Bacteriophage (I) Frequently used to deliver genes into animal cells (B) pBR322 (II) Pathogen of several dicot plants (C) Ti plasmid (III) Extensively used artificial plasmid vector (D) Retrovirus (IV) Has very high copy numbers of its genome within bacterial cells Choose the correct answer from the options given below:

Options

  1. A(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
  2. B(A)-(III), (B)-(IV), (C)-(I), (D)-(II)
  3. C(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
  4. D(A)-(III), (B)-(IV), (C)-(II), (D)-(I)

Correct answer

A. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Step-by-step solution

Bacteriophages have very high copy numbers of their genome within bacterial cells. pBR322 is an extensively used artificial plasmid vector. The Ti plasmid of Agrobacterium tumefaciens is a pathogen of several dicot plants, which is modified into a cloning vector to deliver genes of interest into plants. Retroviruses are used to deliver desirable genes into animal cells after being disarmed. Thus, the correct matching is (A)-(IV), (B)-(III), (C)-(II), (D)-(I). Answer: (A)-(IV), (B)-(III), (C)-(II), (D)-(I)

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