Question:- Viral vectors are not the only method being studied for gene therapy purposes. Which of the following is a nonviral delivery method for gene therapy? a.gene pills b.DNA bound to the surface...

Question:-

Viral vectors are not the only method being studied for gene therapy purposes. Which of the following is a nonviral delivery method for gene therapy?

a.gene pills

b.DNA bound to the surface of liposomes

c.electrically stimulating cells to take up DNA

d.DNA covered with protein