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17/01/2022 7:57 pm
Topic starter
Which of the following is not required in the preparation of recombinant DNA molecules?
(a) Restriction endonuclease
(b) DNA ligase
(c) DNA fragments
(d) E. coli
1 Answer
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17/01/2022 7:58 pm
Correct answer: (d) E. coli
Explanation:
Genetic engineering or r-DNA technology can be accomplished only if we have the key tools:
(1) Restriction enzymes
(2) Polymerase enzymes
(3) Ligases
(4) Vectors
(5) Host organism