Water, pH and Macromolecules
Weak acids generally have pKa

values less than 1
that cannot be used to buffer
pKa values greater than 2
been seldom found in living systems

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Water, pH and Macromolecules
Which of the following character does not apply to water?

All three atoms in the water molecule readily form hydrogen bonds
The covalent bonds in water are highly polarized
The water molecule is asymmetric
The water molecule readily forms hydrophobic interactions

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