Water, pH and Macromolecules
Weak acids generally have pKa

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

ANSWER DOWNLOAD EXAMIANS APP

Water, pH and Macromolecules
Buffer solutions

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

ANSWER DOWNLOAD EXAMIANS APP