Question

Which of the following acid/base pairs act as natural buffers in living systems?

a.

H₂CO₃/HCO₃¯

b.

H₂PO₄-/HPO₄²¯

c.

Histidine+/histidine

d.

All of these

Answer: (d).All of these

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Q. Which of the following acid/base pairs act as natural buffers in living systems?

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