Question 3 Eukaryotes have proteins called histones that are involved in tightly packing DNA. Below is a schematic of the interaction between a molecule of dna and the surface of a histone protein. X"represents an amino acid side chain sticking out from the surface of the protein towards the DNA backbone X Figure by MIT Oc a)Circle the type(s)of amino acids you would expect to find with side chains in the positions marked"? negative non-polar tively hydrophobic chargea charge d b)Circle the strongest interaction between the dna backbone and the histone protein van der Waals X-linked 2 ptsx x x Name________________________________ Question 3 Eukaryotes have proteins called histones that are involved in tightly packing DNA. Below is a schematic of the interaction between a molecule of DNA and the surface of a histone protein. “X” represents an amino acid side chain sticking out from the surface of the protein towards the DNA backbone. x x x x x x Figure by MIT OCW. a) Circle the type(s) of amino acids you would expect to find with side chains in the positions marked “X”? negatively non-polar positively hydrophobic charged charged 2 pts. b) Circle the strongest interaction between the DNA backbone and the histone protein. hydrogen ionic van der Waals X-linked 2 pts 5