What purpose do restriction enzymes play in bacterial cells?
A) Restriction enzymes prevent the overproduction of mRNA in the bacterial cell.
B) Restriction enzymes attack bacteriophage DNA when it enters the cell.
C) Restriction enzymes promote bonding of the RNA polymerase to the promoter.
D) Restriction enzymes limit the rate of bacterial replication.
E) Restriction enzymes connect Okazaki fragments.

Question

Quizplus · Accepted Answer

Restriction enzymes serve as a defense mechanism in bacteria, targeting and cutting foreign DNA, such as that from bacteriophages (viruses that infect bacteria), to protect the bacterial cell from invasion and potential destruction.

What Purpose Do Restriction Enzymes Play in Bacterial Cells