Will give brainliest how are 3-d printers useful in studying evolution? a) to color the fossils of organisms b) to create clones of extinct organisms c) to create replicas of fossils d) to prepare paper cutouts of organisms e) to study the composition of fossils

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 do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.