Question

which of the following was required before widespread organ donation could be successful?
A) adenovirus-36 research
B) embryonic stem cell research
C) techniques to decellularize organs
D) development of immunosupprecent drugs***

I think it is D because without immunosupprecents lots of organ transplants would be rejected by the recipients body.

Answer 1

You're right. :)

Answer 2

CORRECT!!!!!!!!!!