Question

Which of the following is not required in the preparation of recombinant DNA molecule ?

(a) Restriction endonuclease

(b) DNA ligase

(c) DNA fragments

(d) E. coli

Answer 1

The correct answer is (d)

• coli (Escherichia coli), is a type of bacteria that normally lives in your intestines. It'* also found in the gut of some animals.
• Most types of E. coli are harmless and even help keep your digestive tract healthy. But some strains can cause diarrhea if you eat contaminated food or drink fouled water.