Qee qhov piv txwv ntawm cov lus nug synthesis suav nrog … "Koj yuav ua li cas sib sau cov khoom no los tsim lub tshuab cua?". Kawg hloov kho: 2023-12-15 23:12
Cov kev cuam tshuam ntawm lub teeb-dependent siv lub teeb lub zog los ua ob lub molecules uas xav tau rau theem tom ntej ntawm photosynthesis: lub zog cia molecule ATP thiab txo cov khoom siv hluav taws xob NADPH. Nyob rau hauv cov nroj tsuag, lub teeb tshwm sim tshwm sim nyob rau hauv lub thylakoid daim nyias nyias ntawm organelles hu ua chloroplasts. Kawg hloov kho: 2023-12-15 23:12
Permeable Membrane Cell phab ntsa muab kev txhawb nqa thiab kev tiv thaiv rau cov nroj tsuag. Lawv tag nrho permeable rau dej, molecules, thiab proteins. Qhov no tso cai rau dej thiab cov as-ham tuaj yeem hloov pauv dawb ntawm cov nroj tsuag. Kawg hloov kho: 2023-12-15 23:12
Lub Cl-Al-CI daim ntawv cog lus lub kaum sab xis yog 116. goin cov nqe lus ntawm ib tug r ib tug nruab nrab qauv 3 nrog ib tug uncertainty ntawm aboutO. Kawg hloov kho: 2023-12-15 23:12
Txoj cai lij choj ntawm kev txuag ntawm pawg (lossis teeb meem) hauv cov tshuaj tiv thaiv tshuaj muaj peev xwm hais tau li no: Hauv cov tshuaj tiv thaiv tshuaj, qhov teeb meem tsis yog tsim los yog rhuav tshem. Nws tau tshawb pom los ntawm Antoine Laurent Lavoisier (1743-94) txog 1785. Txawm li cas los xij, kev xav txog kev xav thiab txawm tias qee qhov kev sim ntau ua ntej nws. Kawg hloov kho: 2023-12-15 23:12
Prime Meridian. Kawg hloov kho: 2023-12-15 23:12
Qhov zoo ntawm hybridization yog: 1) Lawv tuaj yeem ua kom cov qoob loo nce ntxiv. 1) Ob hom sib xyaw ua ke los ua qhov zoo tshaj plaws ntawm cov kab mob uas tshem tawm qhov tsis xav tau ntawm ob hom niam txiv. 2) Lawv ua rau tsim cov kab mob uas muaj ntau yam zoo xws li kev tiv thaiv kab mob, kev ntxhov siab thiab lwm yam. Kawg hloov kho: 2023-12-15 23:12
Rubidium PubChem CID: 5357696 Chemical Safety: Laboratory Chemical Safety Summary (LCSS) Datasheet Molecular Formula: Rb Synonyms: Rubidium 7440-17-7 UNII-MLT4718TJW EINECS 231-126-6 UN14246 Ntau Molecular/Molecular. Kawg hloov kho: 2023-12-15 23:12
Raws li Sciencealert, qhov sib npaug ntev tshaj plaws hauv ntiaj teb yog dab tsi? Hu ua qhov teeb meem BooleanPythagorean Triples, thawj zaug tau thov los ntawm California-based mathematician Ronald Graham, rov qab rau xyoo 1980s. Kawg hloov kho: 2023-12-15 23:12
Tsis yog feem ntau. Tigers zoo li dej nyab, thaj av, thiab hav zoov xws li huab cua mus rau qhov chaw sov, tab sis lawv feem ntau yuav nyob hauv hav zoov cais raws li 'ntub' lossis 'qhuav', tsis yog rainforests. Kawg hloov kho: 2023-12-15 23:12
Qhov sib npaug ntawm daim ntawv no thiab nyob rau hauv cov duab ntawm ib tug parabola, thiab txij li thaum b yog qhov zoo, nws nce mus rau txhua sab ntawm lub vertex. Ua si nrog ntau yam txiaj ntsig ntawm b. Raws li b tau loj dua lub parabola tau steeper thiab 'narrower'. Thaum b yog qhov tsis zoo nws nqes downwards txhua sab ntawm lub vertex. Kawg hloov kho: 2023-12-15 23:12
Gametogenesis yog cov txheej txheem lom neeg uas ua rau cov hlwb diploid lossis haploid precursor cell faib thiab sib txawv los ua cov laus haploid gametes. Piv txwv li, cov nroj tsuag tsim gametes los ntawm mitosis hauv gametophytes. Kawg hloov kho: 2023-12-15 23:12
Cov tshuaj tiv thaiv magnesiumwithacids Magnesium hlau dissolves nkag tau indilutesulphuric acid los tsim cov kev daws teeb meem uas muaj theaquatedMg(II) ion ua ke nrog hydrogen gas, H2.Cov tshuaj tiv thaiv nrog lwm cov acids xws li ashydrochloric acid kuj muab cov aquatedMg(II) ion. Kawg hloov kho: 2023-12-15 23:12
Teb thiab piav qhia: Nucleic acid muaj nyob thoob plaws hauv lub cev ntawm cov kab mob multicellular eukaryotic, nyob rau hauv uas nws muaj nyob rau hauv lub nucleus ntawm txhua lub cell hauv daim ntawv ntawm. Kawg hloov kho: 2023-12-15 23:12
Tau qhov twg los: Einsteinium yog ib qho khoom siv hluav taws xob thiab tsis pom ib txwm muaj. Nws yog tsim nyob rau hauv nuclear reactors nyob rau hauv miniscule npaum li cas los ntawm lub neutron bombardment ntawm plutonium. Txog li 2 mg tuaj yeem tsim los ntawm High Flux Isotope Reactor (HFIR) ntawm Oak Ridge National Laboratory. Kawg hloov kho: 2023-12-15 23:12
Qhov tseeb, kev tshawb fawb tau ua pov thawj pom tau tias kwv yees li 85 feem pua ntawm tag nrho cov tib neeg kev hloov pauv caj ces muaj nyob rau hauv tib neeg cov pej xeem, thaum tsuas yog 15 feem pua ntawm cov kev sib txawv ntawm cov pej xeem (Daim duab 4). Qhov ntawd yog, kev tshawb fawb qhia tias Homo sapiens yog ib qho kev sib txawv tsis tu ncua, sib txawv hom. Kawg hloov kho: 2023-12-15 23:12
Louisiana yog nplua nuj nrog ntau haiv neeg ecosystems - xws li los ntawm marshes thiab qhib dej raws ntug dej hiav txwv, mus rau cov av ntub dej uas pab tiv thaiv New Orleans los ntawm nag xob nag cua thiab muab chaw zov me nyuam rau cov fisheries uas txhawb lub cheeb tsam cov zaub mov kev lag luam, mus rau cov qus bayous ntawm lub Atchafalaya Basin. , mus rau underland hardwood forests ntawm. Kawg hloov kho: 2023-12-15 23:12
DNA pov thawj yog ib qho cuab yeej siv tau thiab nruab nrab hauv kev tshawb nrhiav kev ncaj ncees. Txawm hais tias nws pab txiav txim siab lossis tshem tawm cov tib neeg, DNA pov thawj yuav ua lub luag haujlwm tseem ceeb hauv kev daws teeb meem txhaum cai yav tom ntej. Qhov tshwm sim yuav muaj kev ncaj ncees zoo dua rau cov neeg raug tsim txom thiab cov zej zog nyab xeeb. Kawg hloov kho: 2023-12-15 23:12
Lub Angle Addition Postulate hais tias qhov ntsuas ntawm lub kaum sab xis tsim los ntawm ob lub kaum sab xis ntawm sab yog qhov sib npaug ntawm qhov ntsuas ntawm ob lub kaum sab xis. Lub Angle Addition Postulate tuaj yeem siv los xam lub kaum sab xis uas tsim los ntawm ob lossis ntau lub kaum sab xis lossis los xam qhov ntsuas ntawm lub kaum sab xis uas ploj lawm. Kawg hloov kho: 2023-12-15 23:12
Norway ntoo thuv yog ib tsob ntoo ntawm 52 haiv neeg rau Minnesota. Tsob ntoo tau txais nws lub npe los ntawm nws reddish-xim av, scaly bark. Minnesota yog lub xeev nkaus xwb uas xa mus rau ntoo thuv liab li Norway ntoo thuv. Kawg hloov kho: 2023-12-15 23:12
Hauv cov hlwb siv oxygen los tso tawm lub zog khaws cia hauv cov suab thaj xws li qabzib. Qhov tseeb, feem ntau ntawm lub zog siv los ntawm cov hlwb hauv koj lub cev yog muab los ntawm kev ua pa ntawm tes. Ib yam li photosynthesis tshwm sim hauv organelles hu ua chloroplasts, cellular respiration tshwm sim nyob rau hauv organelles hu ua mitochondria. Kawg hloov kho: 2023-12-15 23:12
Zoo li cov nroj tsuag, cov kab mob fungal muaj cov phab ntsa tuab. Cov khaubncaws sab nraud povtseg ntawm fungal cell phab ntsa muaj complex polysaccharides hu ua chitin thiab glucans. Chitin, kuj pom nyob rau hauv lub exoskeleton ntawm kab, muab cov yam ntxwv lub zog rau lub cell phab ntsa ntawm fungi. Phab ntsa tiv thaiv lub cell ntawm desiccation thiab predators. Kawg hloov kho: 2023-12-15 23:12
Muaj ob hom electrodes, cathodes, thiab anodes. Cathode attracts tus nqi zoo cations. Anode attracts tsis zoo them anions. Cov electrodes feem ntau yog ua los ntawm cov hlau xws li platinum thiab zinc. Kawg hloov kho: 2023-12-15 23:12
Thaum kev thauj mus los xav tau lub zog thiab kev ua haujlwm, kev thauj mus los tsis zoo. Muaj ntau ntau yam ntawm no yooj yim txav ntawm molecules. Nws tuaj yeem yooj yim npaum li cov molecules txav tau yooj yim xws li osmosis lossis diffusion. Nws yog ib qho txheej txheem hu ua facilitated diffusion. Kawg hloov kho: 2023-12-15 23:12
Melting point tshwm sim los ntawm ib pawg ntawm kev sim siab yog ib qho piv txwv ntawm qhov kawg. Blunders ( yuam kev). Tib neeg yuam kev. Kev soj ntsuam qhov system yuav ua rau yuam kev. Kev ua yuam kev vim muaj kev cuam tshuam sab nraud. Tsis yog txhua qhov kev ntsuas muaj qhov ntsuas tau zoo. Qauv. Kawg hloov kho: 2024-01-18 08:01
Lub xovtooj ntawm tes yog qhov tsawg tshaj plaws ntawm cov qauv thiab kev ua haujlwm ntawm cov kabmob muaj sia, uas tuaj yeem muaj nyob ntawm nws tus kheej. Yog li ntawd, tej zaum nws yog hu ua lub tsev thaiv ntawm lub neej. Qee cov kab mob, xws li cov kab mob los yog cov poov xab, yog cov unicellular-tsuas yog tib lub xovtooj ntawm tes-thaum lwm tus, piv txwv li, cov tsiaj nyeg, yog cov cellular. Kawg hloov kho: 2023-12-15 23:12
1 Dej cov ntoo ntsuab tsis tu ncua thaum thawj xyoo tom qab cog. Muab tsob ntoo 1 mus rau 3 nti dej txhua lub lis piam, tshwj tsis yog tias cov dej noo tuaj los ntawm cov dej nag. Kev ywg dej tob ib zaug lossis ob zaug hauv ib lub lis piam yog qhov zoo dua li qhov nquag nquag, qhov dej ntiav ntiav, vim tias cov dej tob yuav loj hlob ntev, cov hauv paus hniav noj qab haus huv. Kawg hloov kho: 2023-12-15 23:12
Raws li lub vojvoog ntawm ions nce, lub lattice zog txo qis. Qhov no yog vim hais tias nrog kev loj hlob ntawm cov noob qoob loo, qhov kev ncua deb ntawm lawv cov nuclei nce. Yog li theattraction ntawm lawv txo qis thiab thaum kawg lub lesslattice zog tso tawm thaum tus txheej txheem. Kawg hloov kho: 2023-12-15 23:12
Lawv yuav tsum tsis muaj pruning, thiab nws tsis yog qhov tsim nyog (txawm hais tias nws yuav zoo dua los ntawm qhov pom ntawm qhov zoo nkauj,) kom tuag rau lawv. Japanese anemones yog cov nroj tsuag tsis tshua muaj txij nkawm thiab tagged ntsuab wheelbarrow. Kawg hloov kho: 2023-12-15 23:12
Cov ceg txheem ntseeg nyob rau kev txhim kho cog qoob loo Txiav ceg ntoo los ntawm cov ceg ntev, ncaj txiav tawm ntawm niam txiv cog. Ua ib qho ncaj ncaj ntawm qhov nqaim kawg ntawm ceg txheem ntseeg (mus rau qhov kawg ntawm ceg). Tshem tawm cov nplooj thiab cov ceg me ntawm cov ceg txheem ntseeg sai li sai tau tom qab txiav lawv, kom cov ceg txheem ntseeg tsis qhuav tawm. Kawg hloov kho: 2024-01-18 08:01
Txij li cov kws tshawb fawb yeej tsis tau tho qhov tob txaus rau hauv lub ntiaj teb los soj ntsuam lub mantle, ophiolites tseem ceeb vim tias lawv yog qhov chaw uas cov kws tshawb fawb tuaj yeem soj ntsuam cov pob zeb loj ntawm mantle ncaj qha. Kawg hloov kho: 2023-12-15 23:12
Yam ntxwv. Bryophytes yog cov nroj tsuag vim hais tias lawv yog photosynthetic nrog chlorophylls a thiab b, khw starch, yog multicellular, tsim los ntawm embryos, muaj sporic meiosis - ib tug alternation ntawm tiam - thiab cellulose cell phab ntsa. Kawg hloov kho: 2023-12-15 23:12
Anisaldehyde - sulfuric acid yog universal reagent rau cov khoom ntuj, uas ua rau muaj xim sib txawv. Nws nyiam stain lub TLC phaj nws tus kheej, thaum cua sov me me, mus rau lub teeb liab xim, thaum lwm pab pawg ua haujlwm zoo li sib txawv ntawm cov xim. Kawg hloov kho: 2023-12-15 23:12
Piv txwv li, dej molecules yog tuav ua ke los ntawm hydrogen bonds ntawm hydrogen atom ntawm ib lub molecule thiab cov pa atom ntawm lwm tus (daim duab: hydrogen bonds). Hydrogen bonds yog ib qho muaj zog intermolecular quab yuam thiab muaj zog dua lwm cov dipole-dipole rog. Kawg hloov kho: 2023-12-15 23:12
Tag nrho cov hlwb, txawm tias lawv yog prokaryotic lossis eukaryotic, muaj qee qhov zoo sib xws. Cov yam ntxwv ntawm prokaryotic thiab eukaryotic hlwb yog: DNA, cov khoom siv noob caj noob ces muaj nyob rau hauv ib los yog ntau dua chromosomes thiab nyob rau hauv ib cheeb tsam nonmembrane bound nucleoid hauv prokaryotes thiab membrane-bound nucleus hauv eukaryotes. Kawg hloov kho: 2023-12-15 23:12
Prophase I yog theem pib ntawm Meiosis Iwhile Prophase II yog theem pib ntawm Meiosis II.Nws muaj qhov cuam tshuam ntev ua ntej Prophase I, qhov Prophase II tshwm sim yam tsis muaj kev cuam tshuam. Kev sib koom ua ke ntawm homologous chromosomes tshwm sim hauv Prophase I, qhov txheej txheem no tsis tuaj yeem pom hauv Prophase II. Kawg hloov kho: 2023-12-15 23:12
Kev txuag kev txav tau muaj txiaj ntsig tseem ceeb rau tsoomfwv txoj cai hauv Tebchaws Meskas. Ntau cov kev cai lij choj tau dhau los, suav nrog cov uas tsim cov chaw ua si hauv tebchaws, hav zoov hauv tebchaws, thiab cov cai tiv thaiv ntses thiab tsiaj qus thoob plaws tebchaws. Kawg hloov kho: 2023-12-15 23:12
50% Cia li xav txog qhov no, lub hli puas yog ib nrab teeb? Cov ib nrab uas yog ntsib lub hnub.) Yog vim li cas peb tsis ib txwm saib a hli uas yog ib nrab lit yog vim peb txoj hauj lwm txheeb ze rau lub hli thiab lub hnub. Raws li cov hli txav mus rau hauv nws lub orbit, qhov sib txawv ntawm nws tshwm sim (rau peb!. Kawg hloov kho: 2023-12-15 23:12
Qhov laj thawj yog vim li cas DDT tau siv dav heev vim tias nws siv tau zoo, pheej yig rau kev tsim khoom, thiab siv sijhawm ntev hauv ib puag ncig (2). Puas yog DDT tseem siv tau? DDT raug tso tseg vim nws pheej nyob hauv ib puag ncig, khaws cov nqaij rog, thiab tuaj yeem ua rau muaj kev phom sij rau cov tsiaj qus (4). Kawg hloov kho: 2023-12-15 23:12
Yog hais tias cov no yog tag nrho cov kev sib raug zoo ua ke lub molecular geometry yog tetrahedral (xws li CH4). Yog hais tias muaj ib leeg ib khub ntawm electrons thiab peb daim ntawv cog lus cov txiaj ntsig molecular geometry yog trigonal pyramidal (xws li NH3). Yog hais tias muaj ob daim ntawv cog lus thiab ob leeg ib leeg ntawm electrons lub molecular geometry yog angular los yog khoov (xws li H2O). Kawg hloov kho: 2023-12-15 23:12