Question

Which of the following statements are incorrect?
(A) Fragments of DNA can be separated by ELISA.
(B) Transformation is a procedure through which a piece of DNA is introduced in a host bacterium.
(C) Recombinant DNA technology does not involve isolation of a desired DNA fragment.
(D) DNA ligases are used for stitching DNA fragments into a vector.
Choose the answer from the options given below:

• A. (A) and (C) only
• B. (A) and (B) only
• C. (B) and (C) only
• D. (A), (C) and (D) only

Answer 1

Answer: (A)

(A) and (C) only

Answer 2

(A) is incorrect because DNA fragments are separated by gel electrophoresis, not ELISA.(C) is incorrect because recombinant DNA technology involves the isolation of a desired DNA fragment.