2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Uracil yog ib qho ntawm plaub lub hauv paus nitrogenous pom hauv RNA molecule: uracil thiab cytosine (los ntawm pyrimidine) thiab adenine thiab guanine (los ntawm purine). Deoxyribonucleic acid (DNA) kuj muaj txhua lub hauv paus nitrogenous, tshwj tsis yog tias thymine yog hloov rau uracil.
Leej twg muaj uracil?
Uracil yog nucleotide, zoo li adenine, guanine, thymine, thiab cytosine, uas yog lub tsev thaiv DNA, tshwj tsis yog uracil hloov thymine hauv RNA. Yog li uracil yog cov nucleotide uas pom yuav luag tshwj xeeb hauv RNA.
Puas RNA muaj uracil?
RNA muaj plaub lub hauv paus nitrogenous: adenine, cytosine, uracil, thiab guanine. Uracil yog ib qho pyrimidine uas zoo ib yam li thymine, lwm pyrimidine uas muaj nyob hauv DNA.
MRNA puas muaj lub hauv paus uracil?
Lub Ntsiab Lus Tseem Ceeb thiab Cov Ntsiab Lus. Ribonucleic acid (RNA) feem ntau yog ib leeg tso tseg thiab muaj ribose raws li nws cov piam thaj pentose thiab pyrimidine uracil es tsis yog thymine. … Neeg xa xov liaison RNA (mRNA) yog tus intermediary ntawm DNA thiab synthesis ntawm protein cov khoom thaum lub sij hawm txhais lus.
Vim li cas DNA tsis tuaj yeem muaj uracil?
Kev piav qhia: DNA siv thymine es tsis txhob siv uracil vim thymine muaj kev tiv thaiv ntau dua rau kev hloov pauv ntawm photochemical, ua rau cov lus genetic ruaj khov dua. … Sab nraum lub nucleus, thymine raug puas tsuaj sai. Uracil tiv taus oxidationthiab siv nyob rau hauv RNA uas yuav tsum muaj nyob sab nraum lub nucleus.
Pom zoo:
Puas yog qib ntawm cov polynomial txiav txim seb muaj pes tsawg lub hauv paus?
Nco ntsoov tias qhov degree ntawm polynomial, qhov siab tshaj plaws exponent, dictates ntau tshaj ntawm cov hauv paus hniav nws muaj peev xwm muaj. Yog li, qhov degree ntawm ib tug polynomial nrog ib tug muab tus naj npawb ntawm cov hauv paus hniav yog sib npaug zos rau los yog ntau tshaj tus naj npawb ntawm cov hauv paus hniav uas tau muab.
Puas muaj jupiter tau muaj lub hauv paus ruaj khov?
Thiab tsis tau, cov kws tshawb fawb tau xav txog ntau xyoo lawm tias cov pa roj loj loj no muaj cov tub ntxhais tseem ceeb. … Thaum cov txheej txheej sab nrauv ntawm Jupiter muaj feem ntau ntawm hydrogen thiab helium, nce siab thiab qhov ntom ntom qhia tias ze rau lub hauv paus, tej yam ua tau zoo.
Qhov twg hauv qab no yog lub hauv paus tsis muaj zog?
Benzenamine yog lub hauv paus tsis muaj zog tshaj plaws ntawm cov hauv qab no txij li thaum lub delocalisation ntawm ib leeg ib khub ntawm electrons nyob rau hauv nws yog tsis tau vim hais tias cov electron ceev ntawm lub molecule yog haum tsawg thiab lub compound ua raws li lub hauv paus tsis muaj zog nyob rau hauv lub xub ntiag ntawm cov acid.
Lub hauv paus ntawm lub plawv dhia hauv fetal yog dab tsi?
Ib txwm pib lub plawv dhia hauv plab (FHR), qhia ntawm 135 neeg ntaus ib feeb (bpm). Lub hauv paus tus nqi yog li ntawm 110 txog 160 bpm rau 10 feeb ntu thiab ntev ≥ 2 feeb. Tsis suav nrog kev hloov pauv raws sijhawm thiab ntu ntu, cim qhov sib txawv, thiab ntu txawv ntawm ≥ 25 bpm.
Kuv puas tuaj yeem tsim lub hauv paus hauv qab kuv lub tsev?
Tsim lub hauv paus hauv qab muaj tsev nyob feem ntau yog ua tau, txawm tias qee yam yuav tsum tau ua kom ntseeg tau tias txoj haujlwm no ua tiav. Kev tsiv tsev thiab tsim cov hauv qab daus tshiab yog cov haujlwm nyuaj uas xav tau cov kws tshaj lij, cov neeg ua haujlwm muaj ntawv tso cai.
