<prompt> Protein folding is done by:ChaperoneEndoplasmic reticulumPeroxisomeLysosome  <response>: Ans a ChaperoneRef; Harpers Biochemistry, 26th ed. pg. 36-37 Chaperone proteins participate in the folding of over half of mammalian proteins. The hsp70 70-kDa heat shock protein family of chaperones binds short sequences of hydrophobic amino acids in newly synthesized polypeptides, shielding them front solvent. 