The surface area/volume ratio is an important factor for one celled organisms. this is because is the primary method these cells use for material transport. a) diffusion b) active transport c) transport protein d) the endoplasmic reticulum

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.

Coral have a symbiotic relationship with what in order to eat?

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing