These models represent molecules that play a role in the immune system.
In which two ways do these molecules fight pathogens in the body?
OA. They recognize specific pathogens in the body.
DB. They bind to pathogens that enter the body.
c. They eat pathogens that attack the body.
DD. They carry pathogens out of the body.

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.