Organisms depend on , which are compounds that stabilize ph by absorbing or releasing h ions.

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Organisms depend on buffer that are compounds that stabilize pH by absorbing or releasing h ions. It consists of weak acids and weak bases.

The buffer is also consists of undissociated acid (HA) and the ions that are made by dissociating the acid (A-). Because of the presence of weak acids and bases and to stabilize the pH the buffer absorb or give off H+.

The nucleic acids must have positive charge that helps in formation of double helices.

Undissociated acid means when an acid dissociates to release a proton to make the solution acidic.

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