Puas muaj pob txha ua los ntawm cov suab thaj thiab phosphate pawg?

Cov txheej txheem:

Puas muaj pob txha ua los ntawm cov suab thaj thiab phosphate pawg?
Puas muaj pob txha ua los ntawm cov suab thaj thiab phosphate pawg?

Video: Puas muaj pob txha ua los ntawm cov suab thaj thiab phosphate pawg?

Video: Puas muaj pob txha ua los ntawm cov suab thaj thiab phosphate pawg?
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Ib qab zib-phosphate qaum qaum (alternating grey-dark grey) koom ua ke nucleotides hauv DNA ua ntu zus. Cov pob txha qab zib-phosphate tsim cov qauv txheej txheem ntawm nucleic acids, suav nrog DNA thiab RNA. Cov pob txha no yog tsim los ntawm cov suab thaj thiab phosphate hloov pauv, thiab txhais cov kev taw qhia ntawm cov molecule.

Puas qab zib thiab phosphate tsim cov caj qaum DNA?

Ib pob txha phosphate yog ib feem ntawm DNA ob lub helix uas muab kev txhawb nqa rau cov molecule. DNA muaj ob txoj hlua uas cua ncig ib leeg zoo li tus ntaiv twisted. Txhua txoj hlua muaj lub nraub qaum ua los ntawm hloov cov suab thaj (deoxyribose) thiab phosphate pawg

Yuav ua li cas cov qab zib-phosphate caj qaum?

'sab' ntawm tus ntaiv (los yog cov kab DNA) yog lub npe hu ua qab zib-phosphate qaum. Cov pob txha no muaj alternating phosphate thiab qab zib pawg, nrog cov piam thaj molecule ntawm ib nucleotide txuas mus rau phosphate pawg ntawm cov nucleotide uas nyob ib sab. Txuas rau txhua lub suab thaj yog ib lub hauv paus nitrogenous.

Dab tsi muaj qab zib thiab pab pawg phosphate?

A nucleotide muaj cov piam thaj molecule (xws li ribose hauv RNA lossis deoxyribose hauv DNA) txuas rau pawg phosphate thiab cov hauv paus muaj nitrogen.

Qhov twg macromolecule muaj qab zib-phosphate qaum?

Ribonucleic acid (RNA) yog ib lub sijhawm ntev macromolecule tsim los ntawm nucleotides strung ua ke nrog qab zib-phosphate qaum qaum.

Pom zoo:

Cov pob txha pob txha txawv li cas pob txha pob txha?

Cov pob txha pob txha txawv li cas pob txha pob txha?

pob txha pob txha yog tuab thiab tsim los ntawm osteons, hos pob txha pob txha tsawg thiab ua los ntawm trabeculae . Dab tsi yog qhov sib txawv ntawm cov pob txha pob txha thiab pob txha? Cov pob txha pob txha yog tsim los ntawm osteons thiab tsim cov txheej txheem sab nraud ntawm txhua pob txha.

Vim li cas cov pob txha pob txha pob txha muaj ntau dua?

Vim li cas cov pob txha pob txha pob txha muaj ntau dua?

Cov menyuam yaus yuav muaj pob txha pob txha pob txha vim lawv cov pob txha mos thiab nkig tsawg dua tus neeg laus. Kev kho mob suav nrog kev tshem cov pob txha, lossis qee qhov kev phais . Vim li cas cov pob txha pob txha pob txha feem ntau tshwm sim hauv cov menyuam yaus?

Cov pob txha pob txha pob txha muaj li cas ntawm pob txha mos elastic?

Cov pob txha pob txha pob txha muaj li cas ntawm pob txha mos elastic?

Tsis zoo li cov pob txha mos thiab cov thyroid caj pas, uas muaj cov pob txha mos hyaline hyaline pob txha mos Abstract. Hyaline pob txha mos muaj nyob rau hauv synovial pob qij txha thiab pab txoj kev txav ntawm cov pob qij txha Nws yog tsim los ntawm chondrocytes thiab extracellular matrix.

Puas sharks muaj pob txha pob txha pob txha?

Puas sharks muaj pob txha pob txha pob txha?

Niaj hnub sharks muaj skeletons ntawm cov ntaub so ntswg peculiar hu ua prismatic calcified pob txha: pob txha mos uas yog mineralised, tsis li cov nplooj ntawv, tab sis raws li ib tug mosaic ntawm me me ntxhia prisms. … Qhov no yuav pab piav qhia txog kev sib raug zoo ntawm prismatic calcified pob txha thiab pob txha .

Cov pob txha pob txha pob txha twg muaj qhov protuberance?

Cov pob txha pob txha pob txha twg muaj qhov protuberance?

Cov pob txha occipital tsim cov duab tom qab ntawm lub pob txha taub hau thiab tom qab hauv pem teb ntawm cov kab noj hniav cranial. Ib qho tseem ceeb, sab nraud occipital protuberance, los yog inion, yog pom nyob rau sab nraud ntawm lub posterior midline (Daim duab 8-2).