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What is Buffer in Biology? PDF | Download eBooks

Learn Buffer definition in biology with explanation to study “What is Buffer”. Study buffer explanation with biology terms to review biology course for online degree programs.

Buffer Definition

  • A buffer is a substance that minimizes changes in the concentrations of H+ and OH- in a solution.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Buffer Explanation

A buffer is used when the pH of a solution needs to be kept constant. Its pH remains relatively constant when a small amount of acid or base is added. Buffers are important tools used in many biological reactions. In nature, there are many systems that use buffering for pH regulation. For example, the bicarbonate buffering system is used to regulate the pH of blood.

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