Water, pH and Macromolecules
Buffer solutions

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

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

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