SebopehoSaense ea

Molao-motheo oa complementarity: motheo oa hakaalo kgopolo le melao ea motheo ea liphatsa tsa lefutso

Complementarity - thepa ena ke dibopeho tse peli le lumellane le mong ho e mong ka tsela e khethehileng.

complementarity molao-motheo o le fumanang kopo ka Makala tse sa tšoaneng tsa mosebetsi oa batho. Ho joalo, motheo oa complementarity mosebetsing oa ho ithuta ho sebelisa litšobotsi hantle ya sebopeho le ntshetsopele ya baithuti ka maemo a oa ka taba ea sebopeho sekolo. Ka sebaka sa tshebetso sa ya bokgabane baqapi e amanang le bontšitsoeng le ka k'hemistri molao-motheo o le mafolo-folo ke matched dibopeho tlhaloganya sebaka ea limolek'hule tse peli tse fapaneng, e ka etsahala pakeng tsa oxyphobe hydrogen le sebelisana intermolecular.

molao-motheo oa complementarity baeloji ama ho latelwa ea limolek'hule biopolymer le likhechana tsa bona tse fapaneng. Ho etsa bonnete ba sebopeho sa mabapi e tobileng pakeng tsa bona (mohlala, hydrophobic kapa electrostatic dirisana pakeng tsa qosoa lihlopha tshebetso).

likhechana ka tsela eo e tlatsetsang le tlame biopolymers se covalent lik'hemik'hale tlamo e le mangolo tlhaloganya sebaka ho e mong le e tse ling tse ya ho theha Les liens de fokolang eo mmoho na le eneji, le phahameng, e leng e etsa hore ho thehoe le mehahong ka ho lekaneng e tsitsitseng ea limolek'hule. Tabeng ena, mosebetsi catalytic ya dintho e itšetlehile ka complementarity bona le lipakeng liphetoho catalytic.

Ke lokela ho bolela hore ho na le boetse ho na le khopolo ea ngollano mehaho ea metsoako le tse peli. Ka mohlala, ha ho sebelisana intermolecular tsa protheine complementarity Molao-motheo - ka monyetla oa ho ligand wa katamelo e mong le tse ling tse hōjana le haufi hore e fana ka mabapi le matla pakeng tsa bona.

Molao-motheo oa complementarity tšimong ea liphatsa tsa lefutso dingongoreho boikatiso (palopedi) oa DNA. E mong le e letoto la sebopeho sa ka sebeletsa e le thempleite e le sebelisitsoe ka tswakana ea palesa e tlatsetsang hore ba sethaleng ho qetela o dumella ho fumana replicas tsa pele acid e deoxyribonucleic. Ka nako e tšoanang na le ngollano e hlakileng pakeng tsa ho makalana nitrogenous, moo adenine tlama ho thymine, le guanine - le cytosine feela.

Oligo le polynucleotides makalana nitrogenous theha para lekanang mehahong - T-A (A-U ka RNA) kapa D-C ke itšoara palesa tse peli tsa acid nucleic. Molao-motheo ona oa complementarity phetha karolo ea bohlokoa ka ho etsa bonnete ba tsamaiso e ka sehloohong ea polokelo le phetiso ea boitsebiso bo liphatseng tsa lefutso. Kahoo, palopedi ea DNA nakong karohano seleng, DNA e RNA thulaganyou e mongwalollo hore nka sebaka ha protheine tswakana le ho lokisa dithulaganyo (phokotso) senya DNA ka mor'a ho ke ke ha khoneha ka ntle a latele molao-motheo ona.

Ha irregularities efe kapa efe ka ngollano tieo esale pele pakeng tsa likarolo tsa bohlokoa tsa limolek'hule fapaneng 'meleng ba nang le bolwetse e ea bongaka bonahatsa mafu liphatsa tsa lefutso. Ba ka tšoaetsanoang ka ho litloholo kapa ba sa lumellane le bophelo.

- Ho phaella moo, ho hlahloba ya bohlokwa e thehiloe molao-motheo oa komplementaranosti PCR (polymerase ketane itsoara joang ka). Le itseng mechine liphatsa tsa lefutso lemoha DNA kapa RNA tsa likokoana-hloko tse fapa-fapaneng kapa mafu a tšoaetsanoang bongata ba kokwanahloko ka monna, e thusang ho laela kalafo ho latela lethopa etiology.

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