Water, pH and Macromolecules
Weak acids generally have pKa

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

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Water, pH and Macromolecules
Which of the following statements about water is correct?

Nonpolar substances like oils are not soluble in it
It is critical for many of the chemical processes found in living systems
All of these
Polar substances that can form hydrogen bonds will dissolve in it

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