Using arrows, identify at least two sedimentary rocks based on the map symbols above.

The body is protected against harmful flu viruses by

Nucleic acid certain protein cell membranes certain carbohydrates

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.