Hauv txoj cai caj ces, nres codon (los yog txiav tawm codon) yog ib qho nucleotide triplet nyob rau hauv tus tub txib RNA uas qhia txog kev txiav tawm ntawm kev txhais lus rau hauv cov protein. Feem ntau cov codons hauv tub txib RNA (los ntawm DNA) sib raug rau qhov sib ntxiv ntawm cov amino acid rau cov saw hlau loj hlob tuaj, uas tuaj yeem dhau los ua cov protein
Cov ntsiab lus f block yog cov lanthanides thiab actinides thiab hu ua cov kev hloov pauv sab hauv vim lawv qhov chaw nyob hauv lub rooj zaum vim lawv cov teeb tsa hluav taws xob. Lub f orbitals ntawm electronshell yog sau nrog "n-2." Muaj ntau tshaj kaum plaub electrons uas tuaj yeem tuav cov forbitals
Lub hnub qub puas tuaj yeem tig mus rau hauv lub ntiaj teb? Lub ntiajteb txawj nqus tuaj yeem tsim nthwv dej? Puas yog txhua qhov dub muaj qhov sib txawv? Lub suab puas nrawm dua hauv qhov chaw? Puas yog lub zog ntawm lub ntiajteb txawj nqus txuas mus ib txhis? Galaxies zoo nyob ruaj khov, yog li vim li cas cov kws tshawb fawb hais tias lawv tig? Puas muaj neeg txawv teb chaws puas tau mus xyuas lub ntiaj teb?
Hauv kev ua lej, keeb kwm yog qhov pib ntawm kab sib chaws. Nws yog qhov taw tes (0,0), qhov twg x-axis thiab y-axis cuam tshuam. Lub hauv paus chiv keeb yog siv los txiav txim qhov kev sib koom tes rau txhua qhov chaw ntawm daim duab
Cov qauv ntawm cov av, tshwj xeeb tshaj yog av nplaum, cuam tshuam los ntawm pH. Nyob rau hauv qhov zoo tshaj pH ntau (5.5 mus rau 7.0) av nplaum av yog granular thiab yog yooj yim ua hauj lwm, whereas yog hais tias cov av pH yog tsis tshua muaj acid los yog alkaline heev, av nplaum yuav nplaum thiab nyuaj rau cog
Cov ntsiab lus. Qib ntawm lub koom haum hauv ecology suav nrog cov pej xeem, zej zog, ecosystem, thiab biosphere. Ib qho ecosystem yog tag nrho cov khoom muaj sia nyob hauv ib cheeb tsam cuam tshuam nrog tag nrho cov abiotic qhov chaw ntawm ib puag ncig
Ammonium dihydrogen phosphate: 1.000
Discoverer: Axel Fredrik Cronstedt
Phasor yog ib tug vector nyob rau hauv lub complex dav hlau uas sawv cev rau lub amplitude thiab theem ntawm ib tug sinusoid. Ntawd yog, phasor ntawm cov lej ntawm sinusoids yog muab los ntawm cov lej ntawm tus neeg phasors. Qhov no yog 'phasor ntxiv txoj cai'
Thaum ib daim duab peb sab muaj ob sab congruent nws hu ua daim duab peb sab isosceles. Lub kaum sab xis ntawm ob sab ntawm tib qhov ntev yog congruent. Ib daim duab peb sab uas tsis muaj ib sab lossis cov kaum sab xis yog hu ua daim duab peb sab scalene
Hauv cov hlwb, cov kab ntev ntawm DNA tsim condensed qauv hu ua chromosomes. Cov kab mob tau txais cov khoom siv caj ces los ntawm lawv niam lawv txiv nyob rau hauv daim ntawv ntawm homologous chromosomes, muaj kev sib xyaw tshwj xeeb ntawm DNA sequences uas code rau noob. DNA sequences tuaj yeem hloov pauv los ntawm kev hloov pauv, tsim cov alleles tshiab
Cov khoom siv hluav taws xob yog cov molecules tseem ceeb hauv cov kab ke lom neeg. Lawv lees txais cov electrons thiab txav mus los ua ib feem ntawm cov khoom siv hluav taws xob thauj khoom, hloov cov hluav taws xob, thiab lub zog nws sawv cev, kom lub zog ntawm tes. Cov khoom siv hluav taws xob yog qhov tseem ceeb ntawm kev ua pa ntawm tes thiab photosynthesis
Adiabatic nkhaus yog steeper tshaj qhov isothermal piav. Raws li γ yog ib txwm ntau dua 1, txoj kab nqes ntawm adiabatic nkhaus yog ntau dua li ntawm ib qho isothermal nkhaus los ntawm qhov zoo ntawm γ Yog li qhov nkhaus adiabatic yog steeper tshaj qhov isothermal nkhaus, nyob rau hauv ob qho tib si txheej txheem ntawm expansion thiab compression
Cov tshuaj tiv thaiv neutralization yog thaum cov kua qaub thiab lub hauv paus ua rau muaj dej thiab ntsev thiab koom nrog kev sib xyaw ntawm H + ions thiab OH- ions los tsim dej. Lub neutralization ntawm lub zog acid thiab lub hauv paus muaj zog muaj pH sib npaug rau 7
Pi tsis yog ib tug zauv.Pholen Numbers: 0,1,2,3,…. Pi tsis yog tus lej. Rational tus naj npawb: Cov lej uas tuaj yeem nthuav tawm hauv daim ntawv P / Q qhov twg P & Q yog tus lej & Qin tsis xoom
Txoj hauj lwm wobble ntawm lub codon yog hais txog 3rd nucleotide hauv codon. Cov nucleotide no muaj ob yam tseem ceeb: Kev khi ntawm codon hauv mRNA lub cognate tRNA ntau 'looser' nyob rau hauv peb txoj hauj lwm ntawm codon. Qhov no tso cai rau ntau hom tsis-Watson-Crick puag ua ke kom tshwm sim ntawm qhov thib peb codon txoj haujlwm
Molecular Geometry Ozone muaj sp2 hybridization txhais tau tias nws yuav tsum muaj atrigonal planar duab
Qhov ntim ntawm cov duab ntsuas qhov peb seem (3D) qhov chaw nws siv. Volume yog ntsuas nyob rau hauv cubes. Ib lub cubic centimeter yog qhov ntim hauv ib lub voos xwmfab uas muaj ob sab ntawm qhov ntev, raws li qhia saum toj no
Ntawm no, tus naj npawb atomic yog 4, yog li beryllium muaj 4 electrons thiab 4 protons. Txij li thaum, atomic mass yog 9, tus naj npawb ntawm neutrons sib npaug rau 5 (= 9 - 4)
Cov pom wavelengths zoo refrac ntawm cov sib txawv thiab sib cais rau hauv lawv cov xim. Dispersivepower yog ib qho kev ntsuas ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov siab tshaj plaws thiab qis tshaj wavelengths uas nkag mus rau prism. Qhov no yog qhia nyob rau hauv lub kaum sab xis ntawm 2 heev wavelengths
Hauv kev ua lej, cov khoom dot lossis cov khoom lag luam scalar yog kev ua haujlwm algebraic uas siv ob qhov sib npaug ntawm cov lej (feem ntau ua haujlwm vectors) thiab xa rov qab ib tus lej. Geometrically, nws yog cov khoom ntawm Euclidean magnitudes ntawm ob vectors thiab cosine ntawm lub kaum sab xis ntawm lawv
Cytoplasm muaj nyob rau hauv lub cell membrane ntawm txhua hom cell thiab muaj tag nrho cov organelles thiab cell seem. Cytoplasm muaj ntau yam haujlwm hauv lub cell. Cytoplasm muaj cov molecules xws li enzymes uas yog lub luag haujlwm rau kev rhuav tshem cov khib nyiab thiab tseem pab hauv kev ua haujlwm metabolic
Cov ntoo tuaj yeem poob lawv cov nplooj rau ntau yam laj thawj, tab sis feem ntau thaum koj pom nplooj pib tig xim av thaum lub caij ntuj sov lig lossis thaum ntxov caij nplooj zeeg, nws yog vim ib puag ncig. Nplooj ib txwm pib poob thaum txias txias tuaj txog
Premix ntaub pua plag (PC) yog qhov qub kub sib xyaw hauv Is Nrias teb. Nws yog ib qho zoo, kev lag luam, bituminous hnav cov chav kawm sib xyaw kom muab tso ncaj qha rau ntawm dej khi macadam (WBM) ntawm txoj kev nyob deb nroog tsawg. Cov ntaub pua plag premix kuj tau muab nrog bituminous xuab zeb foob lub tsho kom txo qis kev nkag mus ncaj qha ntawm cov dej nag rau hauv nws
Plural noun, singular arch·chae·on [ahr-kee-on]. archaebacteria
Muaj ib daim ntawv luam ntawm ib qho chromosome, es tsis yog khub ib txwm, hu ua 'monosomy.' Turner syndrome tseem hu ua 'monosomy X.' Qhov yuam kev ntawm kev sib deev chromosome uas ploj lawm tuaj yeem tshwm sim hauv leej niam lub qe qe lossis leej txiv cov phev cell; txawm li cas los xij, feem ntau yog qhov yuam kev uas tshwm sim thaum leej txiv cov phev
Silt av yog beige mus rau dub. Silt particles me dua cov xuab zeb thiab loj dua cov av nplaum
Continuity yog dab tsi? Hauv kev suav lej, kev ua haujlwm txuas ntxiv ntawm x = a yog - thiab tsuas yog - tag nrho peb ntawm cov xwm txheej hauv qab no tau ntsib: Txoj haujlwm tau txhais ntawm x = a; uas yog, f(a) sib npaug ntawm tus lej tiag. Qhov txwv ntawm kev ua haujlwm raws li x mus txog qhov muaj nyob
Fastigiate Eastern dawb ntoo thuv (Pinus strobus 'Fastigiata'): Qhov nqaim, ntsug cultivar hlob 30-50 ko taw siab thiab 10-20 ko taw dav. Weeping Eastern dawb ntoo thuv (Pinus strobus 'Pendula'): Feem ntau 15 mus rau 20 ko taw siab thiab 12 mus rau 15 ko taw dav
Nplooj muab zaub mov thiab cua los pab cov nroj tsuag noj qab nyob zoo thiab loj hlob. Los ntawm photosynthesis, nplooj tig lub zog rau hauv cov zaub mov. Los ntawm qhov pores, los yog stomata, tawm "ua pa" hauv carbon dioxide thiab "ua pa" tawm oxygen. Nplooj kuj tso dej ntau dhau, zoo li peb tawm hws
Kev tsaus ntuj, qhov polar opposite ofbrightness, yog to taub tias tsis muaj illumination los yog tsis pom lub teeb
Tsib yam uas ua los ntawm cov nroj tsuag yog: zaub mov, tshuaj, fibers, ntoo, thiab roj hmab. Nroj tsuag muab peb cov zaub mov hauv daim ntawv ntawm cov nplej, nplooj, tua, hauv paus, paj. Tib neeg thiab txhua tus tsiaj nyob ntawm cov nroj tsuag rau zaub mov vim lawv yog cov tsim khoom noj
Prairie Grass yog dab tsi? Pom nyob rau hauv txoj kev, nyom nyom, los yog nyob rau hauv pastures, cov nyom no yog ib lub caij txias-season nyom nyom uas matures ntawm li 2 mus rau 3 ko taw nyob rau hauv qhov siab. Txawm hais tias cov nyom no yog ib xyoos ib zaug, nws ua zoo li ib xyoos ib zaug hauv thaj chaw ntawm sab qab teb Asmeskas
Introns thiab Exons yog dab tsi? Introns thiab exons yog nucleotide sequences nyob rau hauv ib tug gene. Introns raug tshem tawm los ntawm RNA splicing li RNA matures, txhais tau hais tias lawv tsis tau qhia nyob rau hauv lub kawg messenger RNA (mRNA) cov khoom, thaum exons mus yuav covalently bonded rau ib leeg nyob rau hauv thiaj li yuav tsim mRNA paub tab
Ans: Cesium tsis yog nruab nrab, nws muaj 1 valence electron. Cesium tsis yog nruab nrab, vim hais tias nws tsis yog ib tug noble roj. Nyob rau hauv thiaj li yuav kom ib tug nruab nrab nws yuav tsum muaj 8 valence electrons, Cesium tsuas muaj 1
Cov txheej txheem los ntawm cov kab mob reproduce asexually qhov twg ib lub cell faib los ua ob lub hlwb zoo tib yam. Qhov twg ib tus kab mob hloov qee yam ntawm nws cov khoom siv caj ces mus rau lwm qhov. Endospore. Ib tug me me, sib npaug, tuab-walled, so cell uas tsim nyob rau hauv ib tug kab mob cell
5 cov ntsiab lus ntawm Particle Theory yog dab tsi? 1) Txhua yam yog tsim los ntawm cov khoom me me, pom tsis tau. 5 cov ntsiab lus ntawm Particle Theory yog dab tsi? 2) Tag nrho cov khoom nyob rau hauv cov khoom ntshiab yog tib yam. 5) Cov khoom nyob rau hauv ib yam khoom yog attracted rau ib leeg. 3) Cov khoom muaj qhov chaw nruab nrab ntawm lawv, tsis hais qhov loj me
Ib qho molecule yog qhov me me tshaj plaws hauv cov khoom siv tshuaj lom neeg lossis cov khoom sib xyaw uas muaj cov khoom siv tshuaj lom neeg ntawm cov khoom los yog cov khoom sib xyaw. Cov molecules yog tsim los ntawm cov atoms uas tuav ua ke los ntawm cov tshuaj sib txuas. Piv txwv ntawm cov ntsiab lus no yog oxygen thiab chlorine. Cov atoms ntawm qee lub ntsiab lus tsis yooj yim sib txuas nrog lwm cov atoms
covalent Yog li ntawd, hom kev sib cog lus dab tsi yog feem ntau hauv cov zaub mov? Chemical bonds nyob rau hauv cov zaub mov muaj plaub hom: covalent , ionic, metallic, los yog Van der Waals, nrog covalent thiab ionic daim ntawv cog lus feem ntau.
Lub hli tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev tswj hwm lub ntiaj teb magnetic teb. Summary : Lub ntiaj teb magnetic teb ruaj khov tiv thaiv peb los ntawm cov khoom siv hluav taws xob thiab hluav taws xob uas tshwm sim hauv lub hnub