For Each of the Following Pairs, Indicate Whether They Interact

Short Answer

For each of the following pairs, indicate whether they interact via hydrogen bonds (H) or ionic bonds (I), or do not favorably interact (N). Your answer would be a four-letter string composed of letters H, I, and N only, e.g. HNNI.
( ) ATP and Mg²?
( ) Urea and water
( ) Glucose and the enzyme hexokinase (which uses glucose as a substrate)
( ) A phospholipid tail and inorganic phosphate