Essential Biochemistry - Acid Base Balance (Section 1 - No. 3)
Which of the following is/are key element(s) of the phosphate buffer system?
H2PO4-
HPO42-
Na+
Cl-
Explanation
The phosphate buffer system utilizes H2PO4- (dihydrogen phosphate) and HPO42- (hydrogen phosphate) to buffer pH changes.
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