The amino acids join together and form a chain. What is this chain called?

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.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because