Ob lub photosystems nqus lub teeb lub zog los ntawm cov proteins uas muaj cov xim, xws li chlorophyll. Lub teeb-dependent tshwm sim pib hauv photosystem II. Qhov chaw tshuaj tiv thaiv no, hu ua P700, yog oxidized thiab xa cov hluav taws xob hluav taws xob siab kom txo tau NADP + rau NADPH. Kawg hloov kho: 2023-12-15 23:12
Fe2+, aka ferrous, yog daj ntseg ntsuab thiab puv violet thaum ntxiv rau dej. Fe3+, aka ferric, yog daj-xim av hauv kev daws. Kawg hloov kho: 2023-12-15 23:12
Lub keeb kwm yav dhau depicts towering nceb. Lub Glow Mushroom biome tuaj yeem tsim manually los ntawm kev cog Mushroom Grass Seeds (muag los ntawm Dryad nyob rau hauv ib lub Glow Mushroom biome los yog sau los ntawm kev sau qoob loo Glowing Mushrooms) nyob rau hauv Mud Blocks los yog tsuag ib feem ntawm Hav zoov nrog lub Clentaminator siv Tsaus Blue Solution. Kawg hloov kho: 2023-12-15 23:12
Particle accelerators siv hluav taws xob teb kom nrawm thiab ua kom lub zog ntawm cov kab hluav taws xob ntawm cov khoom, uas tau tswj xyuas thiab tsom los ntawm cov chaw sib nqus. Theparticle qhov chaw muab cov hais, xws li asprotons lossis electrons, uas yuav tsum tau nrawm. Kawg hloov kho: 2023-12-15 23:12
Yog vim li cas ib tug dideoxyribonucleotide txiav ib tug zuj zus DNA strand? Txhua strand pib nrog tib primer thiab xaus nrog ib tug dideoxyribonucleotide (ddNTP), hloov nucleotide. Kev koom ua ke ntawm ddNTP txiav tawm qhov loj hlob DNA strand vim nws tsis muaj 3 '-OH pawg, qhov chaw rau kev txuas ntawm cov nucleotide tom ntej. Kawg hloov kho: 2023-12-15 23:12
Tus lej thiab tsab ntawv ua khub hauv ib qho kev teeb tsa hluav taws xob sawv cev rau ob ntawm cov hluav taws xob plaub tus lej quantum. Cov lej quantum no qhia peb cov ntaub ntawv ntau ntxiv txog cov khoom ntawm electrons thiab lawv cov orbitals. Tus thawj quantum tooj (n) qhia peb ib tug electron lub zog theem thiab nws loj. Kawg hloov kho: 2023-12-15 23:12
Lub meniscus yog qhov tshwm sim thaum koj muab cov kua tso rau hauv lub thawv. Thaum koj muab dej tso rau hauv lub beaker lossis lub raj xa dej, koj pom qhov chaw nkhaus. Nrog rau cov kua dej feem ntau, lub zog txaus nyiam ntawm cov kua thiab lub thawv yog ntau dua qhov kev nyiam ntawm cov kua molecules ntawm tus kheej. Kawg hloov kho: 2023-12-15 23:12
Ib kab ntu muaj ob qhov kawg. Nws muaj cov ntsiab lus kawg no thiab tag nrho cov ntsiab lus ntawm kab ntawm lawv. Koj tuaj yeem ntsuas qhov ntev ntawm ib ntu, tab sis tsis yog ntawm kab. Ib txoj kab hluav taws xob yog ib feem ntawm kab uas muaj ib qho kawg thiab mus rau qhov kawg ntawm ib qho kev taw qhia xwb. Koj tsis tuaj yeem ntsuas qhov ntev ntawm lub teeb. Kawg hloov kho: 2023-12-15 23:12
Kev siv lub tsheb npav rau cov kev mus ncig no muaj qee qhov zoo xws li: 1. Tsis tshua muaj kev ntxhov siab. Tsis yog kev tsav tsheb, koj tuaj yeem siv lub sijhawm uas koj siv los ntawm ib qho chaw mus rau lwm qhov los ntawm tsheb npav mus ua lwm yam, xws li nyeem ntawv, nce qib ua haujlwm, pw tsaug zog, mloog nkauj, hu xov tooj tseem ceeb, thiab lwm yam. Kawg hloov kho: 2023-12-15 23:12
Ntau tus neeg ntseeg tias American biologist James Watson thiab English physicist Francis Crick nrhiav DNA nyob rau hauv 1950s. Qhov tseeb, qhov no tsis yog li ntawd. Hloov chaw, DNA tau pom thawj zaug hauv 1860s lig los ntawm Swiss chemist Friedrich Miescher. Kawg hloov kho: 2023-12-15 23:12
Yog li, cov siv lead ua no muaj cov ntsiab lus hauv qab no: 1 - 4-fold rotation axis (A4) 4 - 2-fold rotation axes (A2), 2 txiav lub ntsej muag & 2 txiav cov npoo. 5 daim iav dav hlau (m), 2 txiav hla lub ntsej muag, 2 txiav los ntawm cov npoo, thiab ib qho txiav kab rov tav los ntawm qhov chaw. Kawg hloov kho: 2023-12-15 23:12
Hauv cov noob caj noob ces, ib qho kev txhim kho yog luv luv (50-1500 bp) cheeb tsam ntawm DNA uas tuaj yeem khi los ntawm cov proteins (activators) txhawm rau ua kom qhov kev hloov pauv ntawm ib qho gene yuav tshwm sim. Cov proteins no feem ntau raug xa mus rau qhov kev hloov pauv. Enhancers yog cis-acting. Kawg hloov kho: 2023-12-15 23:12
Txawm hais tias quartz tsis yog conductive (lub ntsiab lus nws tsis nqa hluav taws xob zoo li cov hlau feem ntau xws li tooj liab), nws muaj qee yam hluav taws xob uas ua rau nws muaj txiaj ntsig zoo rau cov khoom siv hluav taws xob. Hauv particular, nws yog piezoelectric. Kawg hloov kho: 2023-12-15 23:12
Peb Ib yam li ib tug yuav nug, puas yog 3 cov ntsiab lus txiav txim siab lub dav hlau? Muaj plaub txoj hauv kev txiav txim lub dav hlau : Peb tsis-collinear cov ntsiab lus txiav txim lub dav hlau . Cov lus no txhais tau tias yog koj muaj peb cov ntsiab lus tsis yog ntawm ib kab, ces tsuas yog ib qho tshwj xeeb dav hlau tuaj yeem dhau ntawm cov cov ntsiab lus .. Kawg hloov kho: 2023-12-15 23:12
Khawb qhov cog kom tob li lub hauv paus pob thiab 2 ko taw dav rau txhua sab. Teem lub crown ntawm lub thawv ntim cov xibtes ntawm cov av qub kom cov av kub, dej thiab aeration yog qhov tsim nyog rau kev nthuav dav hauv paus. Tsis txhob npog lub crown los yog cov tub ntxhais hluas lub cev nrog av. Kawg hloov kho: 2023-12-15 23:12
Lub ntsiab lus - Cov chaw sib zog yog cov toj siab lunar, uas tau txais lub npe ntawm terrae (singular terra, los ntawm Latin rau Lub Ntiaj Teb), thiab cov tiaj tiaj tsaus yog hu ua maria (singular mare, los ntawm Latin rau hiav txwv), tom qab Johannes Kepler uas tau qhia txog npe nyob rau hauv lub xyoo pua 17th. Kawg hloov kho: 2023-12-15 23:12
Lub hauv paus ntsiab lus yog qhov nqes hav ntawm kab ntawm aposition-time graph qhia cov ntaub ntawv muaj txiaj ntsig txog qhov nrawm ntawm qhov khoom. Yog tias qhov nrawm nrawm, ces qhov nqes hav yog qhov tsis tu ncua (piv txwv li, txoj kab ncaj nraim). Yog tias qhov nrawm hloov pauv, ces txoj kab nqes hloov (piv txwv li, ib qho nkhaus). Kawg hloov kho: 2023-12-15 23:12
Teb thiab piav qhia: Negative 8, uas tseem tuaj yeem sau ua -8, yog tus lej lej. Tus lej rational yog, los ntawm kev txhais, qhov quotient uas tshwm sim thaum ib tus lej yog. Kawg hloov kho: 2023-12-15 23:12
DNA ligase yog ib qho enzyme uas kho irregularities los yog tawg nyob rau hauv lub caj qaum ntawm ob-stranded DNA molecules. Nws muaj peb lub luag haujlwm dav dav: Nws ntsaws ruaj ruaj hauv DNA, nws kaw cov khoom sib txuas ua ke, thiab nws txuas Okazaki fragments (cov DNA me me tau tsim thaum lub sij hawm rov ua dua ntawm ob-kab DNA). Kawg hloov kho: 2023-12-15 23:12
Lub hom phiaj ntawm kev ntsuam xyuas yog los txiav txim siab npaum li cas ntawm cov kuab tshuaj uas yuav yaj tau nyob rau hauv ib tug solute, nyob rau hauv lwm yam lus, lub siab tshaj plaws concentration ntawm ib tug solute nyob rau hauv ib tug hnyav. Los ntawm kev tshuaj ntsuam xyuas cov tshuaj solubility tuaj yeem siv los txiav txim siab: Qhov siab tshaj plaws uas tuaj yeem siv rau hauv kev tshuaj xyuas hauv vitro. Kawg hloov kho: 2023-12-15 23:12
Vacuoles yog cov npuas khaws cia hauv cov hlwb. Lawv pom muaj nyob rau hauv ob qho tib si tsiaj thiab cov nroj tsuag hlwb tab sis loj dua nyob rau hauv cov nroj tsuag hlwb. Vacuoles tuaj yeem khaws cov zaub mov lossis ntau yam khoom noj uas lub cell yuav xav tau kom muaj sia nyob. Lawv tuaj yeem khaws cov khoom pov tseg kom cov khoom seem ntawm tes tiv thaiv los ntawm kev sib kis. Kawg hloov kho: 2023-12-15 23:12
Piv txwv li, cov qauv Compound Symmetry tsuas yog txhais tau hais tias txhua qhov sib txawv yog sib npaug rau ib leeg thiab txhua qhov sib txawv yog sib npaug. Qhov ntawd yog nws. Txhua qhov sib txawv thiab txhua qhov sib txawv yog txawv kiag li thiab tsis muaj kev cuam tshuam rau lwm tus. Muaj ntau, ntau cov qauv sib txawv. Kawg hloov kho: 2023-12-15 23:12
Cov ncauj lus muaj xws li kev loj hlob kab thiab nthuav dav; txheeb cais; nyiaj txiag tus kheej; thiab geometry, suav nrog nplai thiab symmetry. Qhia txog cov tswv yim ntawm kev daws teeb meem thiab kev siv lej niaj hnub kom nkag siab txog cov ntaub ntawv ntau hauv ntiaj teb niaj hnub. Kawg hloov kho: 2023-12-15 23:12
Overpotential feem ntau yog xam raws li kev siv peev xwm rho tawm tus qauv peev xwm. Hauv daim ntawv no, lawv siv 0V raws li tus qauv peev xwm ntawm SHE, qhov txo qis ntawm H + rau H2 yog qhov tshwm sim tshwm sim. Kawg hloov kho: 2023-12-15 23:12
Oswald Avery, Colin MacLeod, thiab Maclyn McCarty tau qhia tias DNA (tsis yog cov proteins) tuaj yeem hloov cov khoom ntawm cov hlwb, qhia meej txog cov tshuaj ntawm cov noob. Avery, MacLeod thiab McCarty tau txheeb xyuas DNA raws li "txoj cai hloov pauv" thaum kawm Streptococcus pneumoniae, cov kab mob uas tuaj yeem ua rau mob ntsws. Kawg hloov kho: 2023-12-15 23:12
Lub khob hliav qab yog ib qho khoom siv 3-dimensional uas muaj lub hauv paus ncig thiab ib qho vertex. Lub tog raj kheej: Lub tog raj kheej yog 3-dimensional khoom khoom uas muaj ob qho tib si puag ncig puag ncig txuas nrog lub ntsej muag nkhaus. Kawg hloov kho: 2023-12-15 23:12
Lub hauv paus ntsiab lus ntawm superposition hais tias ib qho neteffect yog sib npaug ntawm cov txiaj ntsig ntawm tus kheej.Gravitational rog yuav tsum tau ntxiv vectorially rau account rau tag nrho cov teebmeem ntawm ib yam khoom. Kawg hloov kho: 2023-12-15 23:12
Furan yog siv rau hauv kev tsim cov lacquersand ua ib qho hnyav rau resins. Nws kuj tseem siv rau hauv kev tsim cov tshuaj ua liaj ua teb (secticides), stabilizers, thiab tshuaj. Kawg hloov kho: 2023-12-15 23:12
Feem ntau cov roob tsim los ntawm lub ntiaj teb daim hlau tectonic smashing ua ke. Hauv qab av, lub ntiaj teb lub pob zeb yog tsim los ntawm ntau daim phiaj tectonic. Lawv tau tsiv mus nyob ib puag ncig txij thaum pib ntawm lub sijhawm. Qhov tshwm sim ntawm cov phaj tectonic crumpling yog cov pob zeb loj loj raug thawb mus rau saum huab cua. Kawg hloov kho: 2023-12-15 23:12
Azolla caroliniana - ib tug dej fern (nruab nrab loj, 0.5-1.5 cm), yog lub me tshaj fern nyob rau hauv lub ntiaj teb no. Peb qhov kev tshawb pom nthuav tawm ib hom tshiab ntawm adder tus nplaig fern thiab ranking nws ntawm qhov tsawg tshaj plaws terrestrial fern nyob rau hauv lub ntiaj teb no, muaj ib tug nruab nrab loj ntawm tsuas yog 1-1.2 cm. Kawg hloov kho: 2023-12-15 23:12
Allele frequencies nyob rau hauv ib tug pej xeem yuav hloov vim plaub lub hauv paus zog ntawm evolution: Natural Selection, Genetic Drift, Mutations thiab Gene Flow. Kev hloov pauv yog qhov kawg ntawm cov alleles tshiab hauv cov noob caj noob ces. Ob ntawm cov txheej txheem tseem ceeb tshaj plaws ntawm kev hloov pauv hloov pauv yog: Natural Selection thiab Genetic Drift. Kawg hloov kho: 2023-12-15 23:12
Homeotic genes muaj cov kab ke homeobox uas tau txais txiaj ntsig zoo ntawm ntau hom tsiaj. A) encode transcription yam uas tswj cov kev qhia ntawm noob lub luag hauj lwm rau cov qauv anatomical. Kawg hloov kho: 2023-12-15 23:12
Kauj ruam 1: Ntaus koj cov ntaub ntawv rau hauv Excel, hauv ib kab. Piv txwv li, yog tias koj muaj kaum yam khoom hauv koj cov ntaub ntawv teev, ntaus lawv rau hauv hlwb A1 txog A10. Kauj ruam 2: Nyem qhov "Cov ntaub ntawv" tab thiab tom qab ntawd nyem "Data Analysis" nyob rau hauv pawg tshuaj ntsuam. Kauj ruam 3: Taw qhia "Kev piav qhia Statistics" nyob rau hauv pop-up Data Analysis window. Kawg hloov kho: 2023-12-15 23:12
Kauj Ruam 1: Npaj koj thaj chaw ua haujlwm. Kauj ruam 2: Tshem cov xim, yog tias tsim nyog. Kauj Ruam 3: Xuab zeb cov hlau nrog cov ntawv xuab zeb zoo. Kauj Ruam 4: Txau cov kua qaub dawb rau ntawm cov hlau thiab tos ob peb feeb. Kauj Ruam 5: Siv cov tshuaj hydrogen peroxide, vinegar, thiab ntsev. KAUJ RUAM 6: Kaw cov hlau nrog ntshiab acrylic sealer. Kawg hloov kho: 2023-12-15 23:12
Yeej koj ua ib qho kev daws teeb meem ntawm cov tshuaj ntsuam xyuas uas yog ib mus rau tsib npaug ntawm qhov ntsuas ntsuas. Ntsuam xyuas qhov kev daws teeb meem no xya lossis ntau dua, tom qab ntawd txiav txim siab tus qauv sib txawv ntawm cov ntaub ntawv teeb tsa. Txoj kev kuaj xyuas qhov txwv yog xam raws li tus qauv: MDL = Tus tub ntxhais kawm tus nqi x tus qauv sib txawv. Kawg hloov kho: 2023-12-15 23:12
Cov yam ntxwv uas cuam tshuam lub zog ntawm lub pob zeb thiab yuav ua li cas nws yuav deform muaj xws li kub, confining siab, pob zeb hom, thiab lub sij hawm. Kawg hloov kho: 2023-12-15 23:12
Muaj peb qhov teeb meem loj nrog eucalyptus uas nws tsis nyiam cog. Nws cov hauv paus system absorbs dej ntau los ntawm av. Nws degrades cov av txhua qhov chaw cog los ntawm nqus cov av uas muaj cov as-ham sai sai thiab ntxiv tsis muaj dab tsi rov qab los. Cov nroj tsuag canopy yog unfriendly rau avian fauna. Kawg hloov kho: 2023-12-15 23:12
Cov kab mob thiab Archaea sib txawv nyob rau hauv lipid muaj pes tsawg leeg ntawm lawv cov cell membranes thiab cov yam ntxwv ntawm lub cell phab ntsa. Cov kab mob cell phab ntsa muaj peptidoglycan. Archaean cell phab ntsa tsis muaj peptidoglycan, tab sis lawv yuav muaj pseudopeptidoglycan, polysaccharides, glycoproteins, los yog protein-based cell phab ntsa. Kawg hloov kho: 2023-12-15 23:12
Potassium muaj pes tsawg tus electrons ntau dua Neon. Kawg hloov kho: 2023-12-15 23:12
Lub hauv paus tuaj yeem raug hu ua: tsis muaj kev xaiv. proton txais. OH- hu ua: hydrate ion. hydrogen ion. hydronium ion. hydroxide ion. Kawg hloov kho: 2023-12-15 23:12