A carbohydrate that makes up the cell walls of plants:

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.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

What do nitrifying bacteria convert