f a character appears twice on a tree and is NOT present in the most recent common ancestor of the taxa that possess it, it is a(n)

Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.

Forensic nursing is a medical-specialist career that grew out of a response to divorce in society. true false

Are salt and soap nutrients or toxins for yeast? explain.