Which substances my pass through the cell membrane by simple diffusion?

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.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what