Water, pH and Macromolecules
Most of the important functional groups in biological molecules contain

oxygen and/or nitrogen and are polar
nitrogen and a phosphate
oxygen and/or nitrogen and are acidic
oxygen and a phosphate

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Water, pH and Macromolecules
Hydrogen bonds and hydrophilic interactions are types of

weak chemical bonds that link together separate molecules
strong chemical bonds that link together separate molecules
weak chemical bonds that hold together the atoms within a molecule
strong chemical bonds that hold together the atoms within a molecule

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