Which class of anti-hiv drug targets the virus before it enters cells?

Liquid water turns into water vapor at which step in the water cycle

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

How do living things obtain phosphorus