Dab tsi yog qhov txhais ntawm lub hauv paus hauv biology?
Dab tsi yog qhov txhais ntawm lub hauv paus hauv biology?

Video: Dab tsi yog qhov txhais ntawm lub hauv paus hauv biology?

Video: Dab tsi yog qhov txhais ntawm lub hauv paus hauv biology?
Video: Qhia txhais 50 zaj npau suav tias yog dab tsi part 3 15 Sep 2019 2024, Kaum ib hlis
Anonim

Txhais . npe, plural: hauv paus . (1) (molecular biology ) Lub nucleobase ntawm nucleotide koom nrog puag ua ke, raws li DNA lossis RNA polymer. (2) (anatomy) Qhov qis tshaj plaws los yog hauv qab ntawm cov nroj tsuag lossis tsiaj lub cev ze tshaj rau qhov txuas. (3) (chemistry) Ib qho dej-soluble compound uas reacts nrog acid thiab cov ntaub ntawv

Ua li no, lub hauv paus hauv kev txhais lus science yog dab tsi?

Puag , nyob rau hauv chemistry, txhua yam khoom uas nyob rau hauv dej tov yog nplua rau kov, saj iab, hloov xim ntawm cov cim (xws li, hloov liab litmus daim ntawv xiav), reacts nrog acids los ua ntsev, thiab txhawb tej yam tshuaj tiv thaiv ( puag catalysis).

Dab tsi yog qhov txhais ntawm lub hauv paus hauv lej? Hauv lej , a puag los yog radix yog tus lej sib txawv lossis sib xyaw ntawm cov lej thiab cov tsiaj ntawv uas lub kaw lus suav siv los sawv cev cov lej. Piv txwv li, feem ntau puag siv hnub no yog tus lej lej. Vim "dec" txhais tau tias 10, nws siv 10 tus lej ntawm 0 txog 9.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog cov kua qaub thiab lub hauv paus hauv biology?

Ib qho kev daws yog ib qho sib xyaw ntawm ob lossis ntau yam khoom uas muaj tib lub ntsiab lus thoob plaws. Qee qhov kev daws teeb meem yog kua qaub , ib co hauv paus . Cov kua qaub muaj cov concentration ntawm hydronium ions ntau dua li cov dej ntshiab, thiab pH qis dua 7. Bases muaj qhov qis dua ntawm hydronium ions dua li cov dej ntshiab, thiab pH siab dua 7.

Nws txhais li cas yog ib yam dab tsi yog lub hauv paus?

Puag qhia ib tug saib tsis taus, txhais tau tias -spirited, los yog qia dub tsis muaj tib neeg decency: "kev mloog lus liberal, tsis muaj koj pab tub rog. yuav ua a puag rabble" (Edmund Burke). Ib yam dab tsi tsawg ua txhaum cai ntawm kev coj ncaj ncees, kev coj ncaj ncees, lossis kev ncaj ncees: kev txawj ntse; qis dag.

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