What is the enzymatic function of restriction enzymes?

Question

a to join nucleotides during transcription

b to cleave nucleic acids at specific sites

c to add new nucleotides to the growing strand of DNA

d to join nucleotides during replication

e to repair breaks in sugar-phosphate backbones

Answer 1

b) to cleave nucleic acids at specific sites

Bacteria contain restriction enzymes as a defense against viruses. The restriction enzymes cut up the nucleic acids or the genetic material of viruses so they will be unable to integrate themselves within the bacterial DNA. Restrition enzymes are also used to insert different genes into plasmid vectors so that those specific genes may be reproduced for experimental needs.

Answer 2

b

Answer 3

B).to cleave nucleic acids at specific sites.

Restriction enzymes protect bacteria from infections by viruses, and it is generally accepted that this is their role in nature.

See link.

Answer 4

restriction endonuclease is a cleaving enzyme which cleaves DNA fragment of a chromosome into smaller DNA fragment,bearing one or few genes at specific sites called the recogniton sites having palindromic sequences..so option b is correct......

Answer 5

OOh , Ahh.. this is for my bio tech professor

the correct answer is B

ya ya also for my bio chem professor

the correct answere is B

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