What might be a reasonable function of restriction endonucleases in a bacterium, distinct from their use by molecular biologists?
What will be an ideal response?
Isolated from bacteria, restriction endonucleases restrict or prevent viral infection by degrading the invading nucleic acid of the virus.
You might also like to view...
Beta thalassemia is most often caused by
A. amino acid substitutions. B. extended chains in beta globin. C. lowered or absent synthesis of beta globin. D. excessive synthesis of beta globin. E. altered rates of oxygen transport.
Indicate the order of cell types involved in the response to the first exposure to an allergen.
A. B cell, helper T cell, antigen-presenting cell, plasma cell B. Antigen-presenting cell, helper T cell, B cell, plasma cell C. plasma cell, antigen-presenting cell, helper T cell, B cell D. antigen-presenting cell, B cell, plasma cell, helper T cell
Phloem tissues transport
A. organic molecules. B. sperm. C. gases. D. eggs.
A sexually transmitted disease is an example of
A) Direct contact. B) Droplet transmission. C) Fomite. D) Vector. E) Vehicle transmission.