Biologists siv lo lus kev noj qab haus huv los piav txog qhov zoo ntawm ib qho genotype zoo li cas ntawm cov xeeb ntxwv nyob rau tiam tom ntej txheeb ze rau qhov zoo ntawm lwm cov genotypes ntawm nws. Lub genotype lub cev muaj xws li nws lub peev xwm kom muaj sia nyob, nrhiav tus khub, tsim cov xeeb ntxwv - thiab thaum kawg tso nws cov noob rau tiam tom ntej
Lub luag haujlwm ntawm cov enzymes hauv cov metabolism. Qee cov enzymes pab txhawm rau rhuav tshem cov zaub mov loj, xws li cov protein, rog, thiab carbohydrates, rau hauv cov khoom me me. Txhua enzyme muaj peev xwm txhawb nqa tsuas yog ib hom tshuaj tiv thaiv. Cov tebchaw uas cov enzyme ua haujlwm hu ua substrates
Cov lava nrawm nrawm tuaj yeem tua tib neeg thiab cov tshauv poob tuaj yeem ua rau lawv ua tsis taus pa. Lawv kuj tuaj yeem tuag los ntawm kev tshaib kev nqhis, hluav taws kub thiab av qeeg uas tuaj yeem cuam tshuam nrog cov roob hluav taws. Tib neeg tuaj yeem plam lawv cov khoom raws li lub roob hluav taws tuaj yeem rhuav tshem tsev, txoj kev thiab teb. Lava tuaj yeem tua cov nroj tsuag thiab tsiaj txhu
NEIL deGRASSE TYSON (Astrophysicist): Lub ntuj raug txim, fiery pov tseg, lub ntiaj teb molten ua phem rau lub neej, tsis tau ua li cas, amazingly, qhov no yog qhov peb tau pib. Yuav ua li cas? nqis los rau hauv lub ntiaj teb muaj kuab lom nyob qhov twg cov tsiaj txawv txawv tuav cov lus qhia txog tias lub neej pib li cas
Rivers thauj khoom nyob rau hauv plaub txoj kev: daws - minerals yog yaj nyob rau hauv dej thiab nqa mus rau hauv kev daws. Saltation - me me pebbles thiab pob zeb yog bounced raws tus dej txaj. Traction - loj pob zeb thiab pob zeb yog dov raws tus dej txaj
Silica-Rich Magma Traps Explosive Gases Magma nrog cov ntsiab lus silica siab kuj tseem ua rau tawg tawg. H. Silica-nplua nuj magma muaj qhov sib xws, yog li nws ntws maj mam thiab hnyav rau hauv lub qhov hluav taws xob lub qhov cua. Yog tias muaj kev kub ntxhov txaus, qhov tawg tawg tshwm sim
Qhov ntom. Lub ntsuas ntsuas, ntsuas kub, ntsuas khob, thiab lub tog raj kheej kawm tiav yog cov cuab yeej sib txawv siv los ntsuas qhov teeb meem. Ib lub nplai tuaj yeem ntsuas qhov hnyav ntawm qhov teeb meem
Yog tias peb siv daim iav concave rau peb lub tsheb, peb yuav tsis pom cov tsheb tom qab peb zoo. Qhov no yog vim hais tias daim iav concave yuav ua kom pom cov khoom thiab peb yuav pom cov duab loj heev. Qhov no yog vim hais tias daim iav convex tsim ib daim duab loj heev, yog li ua rau cov tsheb khiav zoo dua
Cov seem golden muab cov qauv rau kev ntsuas tus qauv ntawm tib neeg daim ntawv. Raws li peb tau pom nyob rau hauv rooj plaub ntawm Le Corbusier, nws tuaj yeem siv los ntsuas qhov siab thiab qhov sib npaug. Ib qho kev dag ntawm studio kos duab hauv paus kev faib ua feem ntawm tib neeg daim ntawv ntawm kev sib raug zoo ntawm qhov loj ntawm lub taub hau thiab qhov siab ntawm lub cev
Qhov tseeb, comets tuaj yeem taug kev mus txog peb zaug sai dua NEAs txheeb ze rau lub ntiaj teb thaum lub sijhawm cuam tshuam, Boslough ntxiv. Lub zog tso tawm los ntawm kev sib tsoo cosmic nce ntxiv raws li lub xwmfab ntawm cov khoom nkag mus nrawm, yog li lub hnub qub tuaj yeem ntim cuaj lub zog ua kom puas tsuaj ntau dua li lub hnub qub ntawm tib pawg
Txau cov qoob loo qos yaj ywm nrog cov tshuaj tiv thaiv fungicide ua ntej cov tsos mob tshwm sim. Pib txij lub Rau Hli, tshwj xeeb tshaj yog tias huab cua ntub. Txau dua tom qab ob peb lub lis piam los tiv thaiv kev loj hlob tshiab
Cov pa roj carbon dioxide ntxiv rau hauv qhov chaw ib txwm muaj thaum cov kab mob ua pa los yog decompose (kev lwj), carbonate pob zeb raug huab cua, hluav taws kub hav zoov tshwm sim, thiab hluav taws kub tawg. Cov pa roj carbon dioxide kuj ntxiv rau cov huab cua los ntawm tib neeg kev ua ub no, xws li kev hlawv cov fossil fuels thiab hav zoov thiab kev tsim cov cement
Ua rau kev sib txhuam. Kev sib txhuam yog lub zog uas tawm tsam qhov kev sib txheeb ntawm ob yam khoom siv. Qhov ua rau ntawm lub zog tiv thaiv no yog cov adhesion ntawm qhov chaw roughness, thiab deformations.Adhesion yog lub zog molecular uas ua rau thaum ob cov ntaub ntawv raug coj mus rau hauv kev sib cuag nrog ib leeg
Lo lus teev qhia nyob rau hauv cov lus ib tug kev sib raug zoo ntawm ib daim ntawv qhia deb thiab ib tug nyob deb. Feem ntau nws yog raws kab ntawm: Ib nti nruab nrab yog 16 mais. Ntawm no nws txhais tau hais tias ib-nti yog nyob rau hauv daim ntawv qhia, thiab hais tias ib-nti sawv cev rau 16 mais ntawm av
Vim lub xub ntiag ntawm ib leeg khub ntawm electron, cov hydrides ntawm cov ntsiab lus yog qhov yooj yim (Lewis bases) nyob rau hauv qhov. Lub hauv paus tseem ceeb txo qis nrog qhov loj ntawm lub hauv paus atom vim diffusion ntawm electrons tshaj qhov ntim loj piv txwv li hauv cov pab pawg, raws li qhov loj ntawm cov ntsiab lus tsub kom cov electron ceev ntawm lub ntsiab txo
Phase contrast yog nyob deb ntawm txoj kev siv ntau tshaj plaws hauv kev siv lub teeb pom kev zoo. Nws yog cov txheej txheem tsim microscopy hauv kab lis kev cai ntawm tes thiab nyob hauv cell imaging. Thaum siv cov txheej txheem pheej yig no, cov hlwb muaj sia tuaj yeem pom hauv lawv lub xeev ntuj yam tsis muaj kev txhim kho yav dhau los lossis cov ntawv sau
Anatomy yog kev kawm txog cov qauv thiab kev sib raug zoo ntawm lub cev. Physiology yog kev kawm txog kev ua haujlwm ntawm lub cev thiab lub cev tag nrho
Yam tsiaj twg nyob hauv hav zoov hav zoov hav zoov? Cov tsiaj qus hauv hav zoov muaj xws li okapi, tapir, rhinoceros, gorilla, jaguar, tshuaj lom dart qav, boa constrictor, toucan, kab laug sab liab, thiab sloth
Piv txwv ntawm cov khoom siv niaj hnub uas koj ntsib raws li cov muaju yog cov ntsev ntsev (sodium chloride lossis halite crystals), qab zib (sucrose), thiab snowflakes. Ntau lub gemstones yog siv lead ua, nrog rau quartz thiab pob zeb diamond. Kuj tseem muaj ntau cov ntaub ntawv uas zoo li cov muaju, tab sis qhov tseeb yog polycrystals
Lead-acid batteries, tseem hu ua cov roj teeb cia, tuaj yeem khaws ntau tus nqi thiab muab siab tam sim no rau lub sijhawm luv luv. Kev tso tawm lub zog khaws cia cia siab rau ob qho tib si zoo thiab tsis zoo daim hlau ua cov hlau lead (II) sulfate thiab cov electrolyte poob ntau ntawm nws cov sulfuric acid yaj
Kev siv hluav taws xob hauv av yog qhov tseem ceeb vim tias nws muab cov qib siv hluav taws xob tiv thaiv uas tag nrho lwm qhov hluav taws xob hauv qhov system raug tsim thiab ntsuas
Qhov chaw yog qhov nruab nrab thiab / lossis txhais tau tias ntawm cov ntaub ntawv. Qhov sib kis yog qhov ntau ntawm cov ntaub ntawv. Thiab, cov duab piav qhia hom duab. Plaub txoj hauv kev piav qhia cov duab yog seb nws puas yog symmetrical, pes tsawg lub ncov nws muaj, yog tias nws skewed rau sab laug lossis sab xis, thiab seb nws zoo li cas
Txhawm rau tsim koj tus kheej txoj kev xav ua raws li peb kauj ruam no: Piav qhia kom meej cov qauv ntawm kev sib txuas lus koj saib. Piv txwv li: Kuv pom thaum cov txiv neej hluas tham nrog cov hluas nkauj tim ntsej tim muag lawv sawv ntsug 3 taw sib nrug. Piav seb koj xav tias yog vim li cas rau cov qauv no. Sau npe koj txoj kev xav
Ib chav kawm hauv Integrated Physics thiab Chemistry (IPC) tso cai rau cov tub ntxhais kawm paub txog ob yam ntawm kev tshawb fawb tib lub sijhawm. IPC feem ntau yog ib chav kawm tes, yog li nco ntsoov mob siab rau qee yam ntawm cov tub ntxhais kawm yuav npog hauv chav kuaj
Molecularity. Lub molecularity ntawm cov tshuaj tiv thaiv yog txhais raws li tus naj npawb ntawm cov molecules los yog ions uas koom rau hauv tus nqi txiav txim kauj ruam. Ib tug mechanism nyob rau hauv uas ob hom reacting ua ke nyob rau hauv txoj kev hloov ntawm tus nqi-kev txiav txim kauj ruam yog hu ua bimolecular
Manganese muaj xya daim ntawv ionic los ntawm Mn(I) mus rau Mn(VII). Ob daim ntawv feem ntau yog Mn (II), nrog rau cov roj hluav taws xob hluav taws xob zoo ntawm [Ar] 4s03d5 thiab Mn (VII), nrog rau kev teeb tsa ntawm [Ar] 4s03d0 thiab kev poob ntawm tag nrho xya electrons los ntawm 3d thiab 4s orbitals
1932 Kuj paub, leej twg nrhiav tau electron proton thiab neutron xyoo twg? Teb 1: Kev sim los ntawm J.J. Thomson nyob rau hauv 1897 coj mus rau lub nrhiav pom ntawm ib qho tseem ceeb tsev thaiv ntawm qhov teeb meem ib puas xyoo dhau los, British physicist J.
Hauv cov noob caj noob ces, chromosome translocation yog qhov tshwm sim uas ua rau muaj qhov txawv txav ntawm chromosomes. Reciprocal translocation yog chromosome abnormality tshwm sim los ntawm kev sib pauv ntawm qhov chaw ntawm cov chromosomes uas tsis yog homologous. Ob qhov sib cais ntawm ob chromosomes sib txawv yog hloov
ATP yog ib qho nucleotide uas muaj lub hauv paus adenine txuas nrog ribose qab zib, uas txuas nrog peb pawg phosphate. Peb pawg phosphate no txuas rau ib leeg los ntawm ob daim ntawv cog lus siab zog hu ua phosphoanhydride bonds
Hydrogen - ib tug electron Atomic Number Element ℓ 1 Hydrogen 0
Lawm, cov npe ntawm tag nrho cov theorems ua tau yog infinite, yog li kuv tsuas yog tham txog theorems uas tau pom tiag tiag. Wikipedia teev 1,123 theorems, tab sis qhov no tsis yog txawm tias ze rau ib daim ntawv teev tag nrho - nws tsuas yog ib qho me me ntawm cov txiaj ntsig tau paub txaus tias ib tus neeg xav suav nrog lawv
Ib qho chromosome abnormality tshwm sim los ntawm rearrangement ntawm qhov chaw ntawm nonhomologous chromosomes. Lawv tuaj yeem sib npaug lossis tsis sib npaug. Nws yog qhov sib txawv ntawm kev tshem tawm thiab kuj tshwm sim los ntawm ib qho kev tshwm sim hu ua tsis sib xws hla-dhau uas tshwm sim thaum lub sij hawm meiosis ntawm misaligned homologous chromosomes
Ntau hom kab mob khaub thuas txias tuaj yeem loj hlob tau zoo hauv Texas (Dallas, Houston, Austin, San Antonio), California, Florida thiab ntau ntxiv rau sab qaum teb. Palm Tree hom uas tuaj yeem tiv taus qhov txias dua yog suav tias yog txias dua hardy yog li peb muaj txias hardy Palm Trees
Chemistry tuaj yeem pab peb nkag siab, saib xyuas, tiv thaiv thiab txhim kho ib puag ncig ib puag ncig. Chemists tab tom tsim cov cuab yeej thiab cov txheej txheem ua kom peb pom thiab ntsuas huab cua thiab dej paug. Lawv tau pab tsim cov pov thawj uas qhia tau hais tias peb cov huab cua hloov pauv li cas rau lub sijhawm
Marine biology yog kev kawm txog cov kab mob thiab ecosystems hauv dej hiav txwv thiab lwm qhov chaw dej ntsev. Nws yog ib qho kev kawm thiab kev tshawb fawb thiab cov kws tshawb fawb hauv hiav txwv kawm txog kev sib cuam tshuam ntawm cov nroj tsuag hauv hiav txwv thiab tsiaj txhu nrog thaj chaw ntug hiav txwv thiab huab cua
Ob chav kawm ntawm cov noob, oncogenes thiab qog suppressor noob, txuas cell voj voog tswj mus rau qog tsim thiab kev loj hlob. Oncogenes nyob rau hauv lawv lub xeev proto-oncogene tsav lub voj voog ntawm tes mus rau pem hauv ntej, tso cai rau cov hlwb los ntawm ib lub voj voog ntawm tes mus rau lwm qhov
Kev kub thiab dej nag ntau dua ua rau muaj tshuaj lom neeg huab cua. 2. Cov pob zeb nyob rau hauv cov cheeb tsam kub kub uas muaj dej nag ntau thiab kub kub huab cua nrawm dua li cov pob zeb zoo sib xws nyob hauv thaj chaw txias, qhuav
Oobleck yog qhov kev sim kev tshawb fawb classic uas zoo meej rau kev lom zem rau cov menyuam yaus thiab cov neeg laus. Oobleck yog cov kua dej uas tsis yog-newtonian. Ntawd yog, nws ua zoo li cov kua dej thaum raug nchuav, tab sis zoo li cov khoom thaum muaj zog ua rau nws. Koj tuaj yeem tuav nws thiab ces nws yuav ooze tawm ntawm koj txhais tes
Moon Phases for New York, New York, USA in 2020 Lunation New Moon Full Moon 1208 Aug 18 1:22 am 1209 Sep 17 5:05 pm 1210 Oct 16 10:49 am 1211 Nov 15 4:29 am
Hom hav zoov pom nyob rau hauv Kerala # Hav zoov hom cheeb tsam (lakh ha.) 1 Tropical Wet Evergreen Forest 3.480 2 Tropical Moist Deciduous Forests 4.100 3 Tropical Dry Deciduous Forests 0.094 4 Roob Sub Tropical Forests 0.188