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A biological buffer iorganic substance ine neutralizing effect pamaion ehydrogen.Neiyi nzira, biological buffer inobatsira kuchengetedza muviri pane chaiyo pH kuitira kuti biochemical maitiro arambe achimhanya nemazvo.

Mazhinji mabuffers ane acid isina kusimba uye hwaro husina kusimba.Vanobatsira kuchengetedza pH yakapihwa kunyangwe mushure mekuwedzerwa kweasidhi kana hwaro.Semuenzaniso, ropa rine carbonic acid (H2CO3) -bicarbonate (HCO3-) buffer system.Mugadziriro iyi, asidhi isina simba inoparadzanisa kusvika pamwero muduku, ichipa bicarbonate ions.Aya maion anokwanisa kusunga mamwe maH+ion achitenderera muropa.Izvi zvinoshandura iyo isina simba asidhi uye inoderedza huwandu hweH + ions mumhinduro.

Biological buffers inogona zvakare kuve mabuffer masisitimu anobatsira kuchengetedza yakatsiga pH yakatenderedza physiological pH.Paunenge uchiita zviyedzo nezvikamu zvemasero kana mapuroteni ega ega, masayendisiti anofanirwa kufunga nezve buffer yavanoshandisa.Pasina buffer yakanaka, chiitiko chechikamu chavanoda kudzidza chinogona kudzikira.

Mabuffers makemikari anobatsira mvura kuramba kushandura acidic zvimiro zvayo kana mamwe makemikari awedzerwa anowanzo kukonzera shanduko mune izvi zvivakwa.Mabhafa akakosha kumasero mapenyu.Izvi zvinodaro nekuti mabhafa anochengetedza pH chaiyo yemvura. Chii chinonzi pH?Chiyero chekuti mvura ine acidic sei.Semuenzaniso, muto weremoni une pH yakaderera ye2 kusvika ku3 uye ine acidic zvakanyanya -- ndozvakaita muto uri mudumbu mako unopwanya chikafu.Sezvo zvinwiwa zvine acidic zvinogona kuparadza mapuroteni, uye maseru akazara-akazara mapuroteni, masero anofanirwa kuve nemabuffer mukati nekunze kwawo kuitira kuchengetedza michina yavo yemapuroteni.Iyo pH mukati mesero inenge 7, iyo inoonekwa seyakarerekera semvura yakachena.