One model of a DNA molecule is a twisted ladder In this model, what do the rungs of the ladder represent? ( There is actually no model just so u know)

O A. Phosphates
O B. Amino acids
O C. Nitrogen bases
O D. Sugars

Complete the sentences to best explain the ranking. match the words below to the appropriate blanks in the sentences. a less polar bondhigher molar massion-dipole forcesstronger intermolecular forcesdipole-dipole forcesdispersion forceshydrogen bonding1. h2s and h2se exhibit the following intermolecular forces:.2. therefore, when comparing h2s and h2se the one with a has a higher boiling point .3. the strongest intermolecular force exhibited by h2o is . therefore, when comparing h2se and h2o the one with has a higher boiling point.