Recently, researchers uncovered the molecular structure of a key protein that retroviruses use to multiply. This was a significant step toward _____.

producing lifelike artificial limbs
providing healthcare for all people
stopping the spread of the HIV/AIDS virus
using biotechnology to vaccinate children

Question

Recently, researchers uncovered the molecular structure of a key protein that retroviruses use to multiply. This was a significant step toward _____.

producing lifelike artificial limbs
	providing healthcare for all people
	stopping the spread of the HIV/AIDS virus
	using biotechnology to vaccinate children

colouringme · Answer

first, eliminate the impossible answer 

or

give reasonable explanation why you would/won't pick that answer.

1) Does artificial limbs use viruses to form?
2) Is providing healthcare is a direct result from knowing how retroviruses multiply?
3)What kind of virus that cause HIV/AIDS? 
4) What kind of pathogen that can be eliminated by vaccine?