Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETZoologyBiotechnology - Principles and Processes

Match List-I with List-II regarding the enzymes used in recombinant DNA technology. List-I List-II A. Exonuclease I. Joins the sugar-phosphate backbones of DNA molecules B. Endonuclease II. Makes cuts at specific positions within the DNA C. Restriction Endonuclease III. Removes nucleotides from the ends of the DNA D. DNA Ligase IV. Recognises a specific palindromic nucleotide sequence in the DNA Choose the correct an

Options

  1. AA-III, B-II, C-IV, D-I
  2. BA-II, B-III, C-IV, D-I
  3. CA-III, B-IV, C-II, D-I
  4. DA-II, B-III, C-I, D-IV

Correct answer

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

Step-by-step solution

Exonucleases remove nucleotides from the ends of the DNA. Endonucleases make cuts at specific positions within the DNA. Restriction endonucleases inspect the length of a DNA sequence, recognise a specific palindromic nucleotide sequence, and cut the strands of the double helix. DNA ligase joins the sugar-phosphate backbones of DNA molecules to form recombinant DNA. Therefore, the correct match is A-III, B-II, C-IV, D-I. Answer: A-III, B-II, C-IV, D-I

Practice Biotechnology - Principles and Processes on Quantrex Academy →

More from Biotechnology - Principles and Processes

During PCR, primers bind to the DNA strands in the __________ step. 2026Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : In recombinant DNA technology, lysozyme is used for disrupting 2026Which of the following statements are not true regarding restriction endonucleases ? A. They are called molecular scissors. B. These are the enzymes responsible for restricting the 2026Which of the following statements are correct with respect to DNA separation, isolation and visualization ? A. The cutting of DNA is done by molecular scissors. B. The DNA fragment 2026Match List I with List II : List I List II A. Genetically modified organism I. Agrobacterium tumefaciens B. Thermostable DNA polymerase II. Bt cotton C. Ti plasmid III. Thermus aqu 2026In the above represented plasmid, an alien piece of DNA is inserted at EcoRI site. Which of the following strategies will be chosen to select the recombinant colonies? 2025Given below are two statements : Statement I: The DNA fragments extracted from gel electrophoresis can be used in construction of recombinant DNA. Statement II : Smaller size DNA f 2025Which of the following cannot be used for direct gene transfer? 2019 Full Biotechnology - Principles and Processes list All NEET PYQs