Why is ring of life more appropriate to describe the relationship between archea, bacteria, and eukaryotes than a tree of life,?

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.

How can you approximate the number of calories required to keep you in energy balance?

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat