Practice mode / Biotechnology The enzyme which seals the foreign DNA into the vector is A Option A: Restriction endonuclease B Option B: DNA polymerase C Option C: DNA ligase D Option D: DNA mutase Correct answer C. DNA ligase Show answer Report a problem How we write and check questions
Question 01 / Biotechnology Which one has antibiotic resistance gene for tetracycline and ampicillin? A Option A: pSC 101 B Option B: pBR 322 C Option C: pCR 322 D Option D: None of these Correct answer B. pBR 322 Show answer Open question
Question 02 / Biotechnology Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility A Option A: Recombinant DNA B Option B: Chimaeric DNA C Option C: Lambda phage D Option D: Plasmids Correct answer D. Plasmids Show answer Open question
Question 03 / Biotechnology Commonly used restriction enzyme is A Option A: pSC 101 B Option B: pBR 322 C Option C: EcoRI D Option D: All of these Correct answer C. EcoRI Show answer Open question
Question 04 / Biotechnology First restriction enzyme was isolated by A Option A: Kary Mullis B Option B: Hamilton O. Smith C Option C: Maxam Gilbert D Option D: Hamilton John Correct answer B. Hamilton O. Smith Show answer Open question
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