d) Peptide Note that forming a peptide bond results in elimination of a molecule of water. since isoleucine, leucine and valine, these are hydrophobic and tend to orient towards the interior of the folded protein molecule. Hence Peptide bonds are the ideal to form..... Hope u understand.... :) Solution d) Peptide Note that forming a peptide bond results in elimination of a molecule of water. since isoleucine, leucine and valine, these are hydrophobic and tend to orient towards the interior of the folded protein molecule. Hence Peptide bonds are the ideal to form..... Hope u understand.... :).