Dna replication results in two identical dna molecules. what role do dna helicases have in dna replication?

Which best describes why nh4+ can form an ionic bond with cl-?

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done