Water, pH and Macromolecules
Buffer solutions

cause a decrease in pH when acids are added to them.
are rarely found in living systems
tend to maintain a relatively constant pH.
will always have a pH of 7

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

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

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