Catalase Test- Ntsiab Cai, Siv, Txheej Txheem, Txhais Lus Txhais nrog ceev faj. Qhov kev sim no qhia pom tias muaj catalase, ib qho enzyme uas ua rau cov pa tawm ntawm cov pa oxygen los ntawm hydrogen peroxide (H2O2). Kawg hloov kho: 2023-12-15 23:12
Ib qho kev sib cais tsis pauv lub zog lossis teeb meem nrog nws ib puag ncig. Piv txwv li, yog cov kua zaub yog nchuav rau hauv ib lub thawv insulated (raws li pom hauv qab no) thiab kaw, tsis muaj qhov sib pauv ntawm cov cua sov lossis teeb meem. Qhov tseeb, muaj ob peb, yog tias muaj, cov kab ke uas muaj nyob hauv lub ntiaj teb no uas yog cov kab ke cais tag nrho. Kawg hloov kho: 2023-12-15 23:12
Kev daws teeb meem no feem ntau yog tshwm sim los ntawm kev hloov kho lub teeb hu ua "qhov chaw teeb" - pawg teeb siv los teeb pom qhov chaw loj ntawm qhov chaw nrog ib theem. Lub teeb qhov chaw, qee zaum hu ua lub teeb lub teeb, yog lub raj cylindrical ntawm diffusion uas dai los ntawm lossis ib ncig ntawm lub teeb teeb. Kawg hloov kho: 2023-12-15 23:12
Schist yog ib lub pob zeb metamorphic nrog zoo-tsim foliation. Nws feem ntau muaj qhov tseem ceeb ntawm mica uas tso cai rau lub pob zeb sib cais ua nyias nyias. Nws yog pob zeb ntawm qib nruab nrab metamorphic ntawm phyllite thiab gneiss. Slate yog lub pob zeb foliated metamorphic uas yog tsim los ntawm metamorphism ntawm shale. Kawg hloov kho: 2023-12-15 23:12
C2h5n 2. Ethylamine, C2H5NH2, muaj Kb tus nqi ntawm 6.4 x 10-4. Yuav ua li cas concentration ntawm C2H5NH2 yuav tsum tau tsim ib tug ethylamine tov nrog ib tug pH ntawm 11.875. Kawg hloov kho: 2023-12-15 23:12
Nyob ntawm cov tshuaj, cov teebmeem kev noj qab haus huv ntev ntev tuaj yeem suav nrog: kev puas tsuaj ntawm lub cev. qaug zog ntawm lub cev tiv thaiv kab mob. kev loj hlob ntawm kev ua xua lossis mob hawb pob. teeb meem kev ua me nyuam thiab kev yug me nyuam. cuam tshuam rau kev loj hlob ntawm lub hlwb, kev txawj ntse los yog lub cev ntawm cov me nyuam. mob qog noj ntshav. Kawg hloov kho: 2024-01-18 08:01
Hauv alchemy, lub cim rau tooj liab kuj yog lub cim rau lub ntiaj teb Venus. Cov ntsiab lus tuaj yeem raug cais raws li lawv lub cev lub xeev (States of Matter) e.g. gas, khoom los yog kua. Cov khoom no yog ib qho khoom. Copper yog cais raws li 'Transition Hlau' uas nyob hauv Pawg 3 - 12 ntawm Lub Sij Hawm Lub Sij Hawm. Kawg hloov kho: 2023-12-15 23:12
Lub ntiaj teb ntau yam tau xav tias tau tsim los ntawm lub hnub ci nebula, lub disc zoo li huab cua thiab plua plav tawm ntawm lub hnub tsim. Txoj kev lees txais tam sim no los ntawm cov ntiaj chaw tsim yog kev tsim khoom, uas cov ntiaj chaw pib ua hmoov av nplej hauv orbit ncig lub hauv paus protostar. Kawg hloov kho: 2023-12-15 23:12
Txhawm rau muab cais ua ib yam khoom muaj sia, ib qho khoom yuav tsum muaj tag nrho rau ntawm cov yam ntxwv hauv qab no: Nws teb rau ib puag ncig. Nws loj hlob thiab loj hlob. Nws tsim cov xeeb ntxwv. Nws tswj homeostasis. Nws muaj complex chemistry. Nws muaj cov hlwb. Kawg hloov kho: 2023-12-15 23:12
Atomic qauv Bohr qauv qhia lub atom raws li ib tug me me, zoo nqi nucleus ncig los ntawm orbiting electrons. Bohr yog thawj zaug nrhiav pom tias cov hluav taws xob taug kev nyob rau hauv nyias lub orbits nyob ib ncig ntawm lub nucleus thiab hais tias cov xov tooj ntawm electrons nyob rau hauv lub orbit sab nrauv txiav txim lub zog ntawm ib lub caij. Kawg hloov kho: 2023-12-15 23:12
Qhov tsawg kawg nkaus bunker tuaj yeem raug nqi siab dua $ 38,000, nyob ntawm seb qhov sib txuas ntawm lub tsev nyab xeeb li cas. Ib qho kev txhawb nqa pob zeb bunker nruab nrab nyob ib ncig ntawm 2,500-square-feet. Ib qho uas suav nrog cov khoom siv hauv chav ua noj thiab lwm yam khoom siv tuaj yeem raug nqi txog $ 60,000. Yuav kom tau txais ib lub bunker, shipping nqi ib penny zoo nkauj heev. Kawg hloov kho: 2023-12-15 23:12
Hlau poob thiab tooj liab poob tshwm sim nyob rau hauv lub transformer kuj yog ywj siab ntawm lub hwj chim factor.Transformers yog nyob rau hauv kVA vim hais tias cov lossesoccurring nyob rau hauv lub transformers yog ywj siab ntawm powerfactor. KVA yog lub zog ntawm lub zog. Nws yog acombination ntawm lub hwj chim tiag tiag thiab reactive zog. Kawg hloov kho: 2023-12-15 23:12
Yog lawm, calcium txhais tau tias yog hlau vim nws lub cev thiab tshuaj lom neeg. Lawv txhua tus muaj lub plhaub sab nraud nrog ob lub tshuab hluav taws xob thiab muaj zog heev. Cov ntsiab lus hauv kab thib ob muaj ob lub tshuab hluav taws xob npaj ua cov sib txuas. Nws yuav tsum tsis txhob surprise koj tias calcium muaj valence ntawm 2. Kawg hloov kho: 2023-12-15 23:12
S theem ntawm lub voj voog ntawm tes tshwm sim thaum lub sij hawm interphase, ua ntej mitosis los yog meiosis, thiab yog lub luag hauj lwm rau cov synthesis los yog replication ntawm DNA. Nyob rau hauv txoj kev no, cov khoom siv caj ces ntawm lub xov tooj ntawm tes yog ob npaug ua ntej nws nkag mus rau mitosis lossis meiosis, cia kom muaj DNA txaus los faib rau hauv cov menyuam ntxhais. Kawg hloov kho: 2023-12-15 23:12
Gametes yog tsim los ntawm ib hom kev faib cell hu ua meiosis, uas tau piav qhia hauv qab no. Cov txheej txheem uas ob gametes sib sau ua ke hu ua fertilization. Kev sib deev muaj feem cuam tshuam nrog kev tsim cov haploid gametes los ntawm meiosis, tom qab ntawd los ntawm fertilization thiab tsim cov diploid zygote. Kawg hloov kho: 2023-12-15 23:12
1: ib txoj kev xav uas saib ib puag ncig es tsis yog los ntawm noob neej raws li qhov tseem ceeb ntawm txoj kev loj hlob thiab tshwj xeeb tshaj yog kev coj noj coj ua thiab kev txawj ntse ntawm ib tus neeg lossis pab pawg. 2: kev tawm tswv yim ntawm kev khaws cia, kev kho dua tshiab, lossis kev txhim kho ntawm ib puag ncig ntuj tshwj xeeb: kev txav los tswj cov pa phem. Kawg hloov kho: 2023-12-15 23:12
Jones dye test yog siv los ntsuas patency ntawm lacrimal kua system. Hauv thawj feem ntawm qhov kev sim, ib qho poob ntawm fluorescein yog muab tso rau hauv lub conjunctival cul-de-sac. Yog tias tsis muaj fluorescein raug sau tseg, cov dye yog obstructed nyob rau sab sauv (canalicular) feem ntawm lub cev. Kawg hloov kho: 2023-12-15 23:12
HOM MOLECULES Muaj xya diatomiceElements: Hydrogen (H2), Nitrogen (N2), Oxygen (O2), Fluorine ((F2), Chlorine ((Cl2), --Iodine ((I2) thiab Bromine (Br2). cov ntsiab lus yog li reactive uas lawv tuaj yeem pom feem ntau txuas nrog lwm lub atom ntawm tib hom. Kawg hloov kho: 2023-12-15 23:12
Kev tshwm sim yog qhov dhau ntawm qhov zoo rau cov xeeb ntxwv (los ntawm nws niam nws txiv los yog poj koob yawm txwv). Txoj kev tshawb no ntawm heredity nyob rau hauv biology hu ua noob caj noob ces, uas muaj xws li teb ntawm epigenetics. Cov cuab yeej cuab tam yog kev coj ua dhau ntawm cov cuab yeej, cov npe, cov nuj nqis, cov cai thiab cov luag haujlwm thaum tus neeg tuag. Kawg hloov kho: 2023-12-15 23:12
Lo lus nug: Ib qho txiaj ntsig tseem ceeb ntawm meiosis yog tias: gametes tau txais ib daim qauv ntawm txhua tus tswv cuab ntawm txhua khub ntawm homologous chromosomes. gametes yog tsim uas yog diploid. txhua gamete tau txais ib tug tswv cuab ntawm txhua khub ntawm homologous chromosomes thiab gametes yog tsim uas haploid. Kawg hloov kho: 2023-12-15 23:12
Nws tsim nyob rau hauv lub hollow thaum lub glacier tau sib sib zog nqus eroded tsawg resistant pob zeb los yog nws yuav sau ib lub hav qab ib phab ntsa ntawm moraine thoob plaws lub hav. Cov kwj deg tsis zoo thiab cov dej ntws ntws los ntawm lub tiaj, dav U-puab pem teb. Lawv tsis erode lub hav, raws li lawv tsim tom qab glaciation tau carved tawm U-puab. Kawg hloov kho: 2023-12-15 23:12
Lub ntsiab lus ntawm cov dej saturated thiab saturated steam kab sib ntsib yog hu ua lub ntsiab lus tseem ceeb. Raws li qhov siab nce mus rau qhov tseem ceeb ntawm qhov enthalpy ntawm evaporation txo, kom txog thaum nws dhau los ua xoom ntawm qhov tseem ceeb. Kawg hloov kho: 2023-12-15 23:12
Sau ib qho kev sib npaug rau hauv point-slope daim ntawv, y - k = m (x - h), vim txoj kab nqes ntawm perpendicular bisector anda point (h, k) bisector mus dhau los paub. daws qhov sib npaug ntawm qhov taw tes rau y kom tau y = mx + b. Distribute theslope tus nqi. Txav tus nqi k mus rau sab xis ntawm qhov sib npaug. Kawg hloov kho: 2023-12-15 23:12
Ib qho kev txwv qhia peb txog qhov muaj nuj nqis uas muaj nuj nqi nce mus raws li qhov kev ua haujlwm ntawm cov khoom siv tau los ze zog thiab ze rau qee tus lej. Lub tswv yim ntawm kev txwv yog lub hauv paus ntawm txhua qhov kev suav. Tsim los ntawm Sal Khan. Kawg hloov kho: 2023-12-15 23:12
Txawm hais tias electrolysis tuaj yeem ua tiav nrog cov khoom siv hauv tsev, acetic acid (kua txiv kab ntxwv) tsis txhawb electrolysis txaus los tsim kom muaj cov pa roj ntau txaus. Kawg hloov kho: 2023-12-15 23:12
Feem ntau cov lichen loj hlob ntawm lwm cov nroj tsuag hu ua epiphytic. Lichens tuaj yeem loj hlob ntawm cov pob zeb hauv qab dej, tab sis tsis pub dawb hauv dej lossis hauv dej khov. Kawg hloov kho: 2023-12-15 23:12
"Ntshiab" xab npum feem ntau yog ua los ntawm nqaij nyug siab thiab sodium hydroxide thiab tuaj yeem hu ua sodiumtallowate. Tab sis nqaij nyuj siab zoo li nrog rau feem ntau lossis tag nrho lwm cov roj ntsha uas tshwm sim yog triglyceride ntawm kev sib xyaw ntawm fattyacids. Kawg hloov kho: 2023-12-15 23:12
Avogadro Txoj Cai yog nyob rau hauv cov pov thawj thaum twg koj tshuab lub zais pa. Qhov ntim ntawm lub zais pa nce thaum koj ntxiv cov roj moles rau lub zais pa los ntawm tshuab nws. Yog hais tias lub thawv tuav cov roj yog nruj dua li hloov tau, lub siab tuaj yeem hloov pauv rau qhov ntim hauv Avogadro Txoj Cai. Kawg hloov kho: 2023-12-15 23:12
Autosome. Ib qho autosome yog ib qho ntawm cov lej chromosomes, tsis zoo li cov chromosomes poj niam txiv neej. Tib neeg muaj 22 khub ntawm autosomes thiab ib khub ntawm kev sib deev chromosomes (X thiab Y). Autosomes tau suav nrog kwv yees li ntawm lawv qhov ntau thiab tsawg. Kawg hloov kho: 2023-12-15 23:12
Kev nyab xeeb. Grasslands (steppes) yog ib puag ncig temperate, nrog rau sov rau lub caij ntuj sov kub thiab txias rau lub caij ntuj no txias heev; Qhov kub thiab txias feem ntau nyob rau hauv cov cheeb tsam midcontinental no. Lawv feem ntau nyob nruab nrab ntawm temperate forests thiab deserts, thiab txhua xyoo nag lossis daus poob ntawm cov yam ntxwv ntawm cov cheeb tsam. Kawg hloov kho: 2023-12-15 23:12
Qhov ntau yam ntawm ib qho yooj yim, linear muaj nuj nqi yog yuav luag ib txwm mus ua txhua tus lej tiag. Thaum koj muaj kev ua haujlwm uas y sib npaug ntawm qhov tsis tu ncua, koj daim duab yog kab rov tav tiag tiag, zoo li daim duab hauv qab ntawm y = 3. Nyob rau hauv tas li ntawd, qhov ntau yam tsuas yog hais tias ib tug thiab xwb tus nqi. Tsis muaj lwm yam txiaj ntsig tuaj yeem tawm ntawm qhov haujlwm ntawd. Kawg hloov kho: 2023-12-15 23:12
Lub ntsiab lus ntawm qhov ntim hloov chaw .: Kev hloov pauv ntawm cov kua dej qhia nyob rau hauv cov nqe lus ntawm qhov ntim raws li qhov txawv ntawm qhov kev hloov pauv tau hais los ntawm qhov loj. Kawg hloov kho: 2023-12-15 23:12
Kev lig kev cai, hmoov phom siv hauv foob pob hluav taws yog ua los ntawm 75 feem pua poov tshuaj nitrate (tseem hu ua saltpeter) tov nrog 15 feem pua charcoal thiab 10 feem pua sulfus; Cov foob pob hluav taws niaj hnub no qee zaum siv lwm cov khoom sib xyaw (xws li sulfurless hmoov nrog ntxiv poov tshuaj nitrate) lossis lwm yam tshuaj. Kawg hloov kho: 2023-12-15 23:12
Monomers yog cov molecules me me uas tuaj yeem koom ua ke hauv kev rov ua dua tshiab los tsim ntau cov molecules hu ua polymers. Monomers tsim cov polymers los ntawm kev tsim cov tshuaj bonds los yog khi supramolecularly los ntawm cov txheej txheem hu ua polymerization. Kawg hloov kho: 2023-12-15 23:12
Teb thiab piav qhia: Piv txwv ntawm thaj tsam kab lis kev cai, lossis thaj chaw kab lis kev cai, yuav yog Saharan Africa (xws li Egypt thiab Morocco) thiab Sub-Saharan Africa (xws li Sudan thiab. Kawg hloov kho: 2023-12-15 23:12
Ib txoj cai lij choj hais txog qhov sib txawv ntawm qhov sib txawv ntawm ob lub ntsiab lus, cov hluav taws xob tam sim no ntws ntawm lawv, thiab qhov tsis kam ntawm txoj kev ntawm qhov tam sim no. Kev ua lej, txoj cai lij choj hais tias V = IR, qhov twg V yog qhov sib txawv ntawm qhov voltage, kuv yog tam sim no hauv amperes, thiab R yog qhov tsis kam hauv ohms. Kawg hloov kho: 2023-12-15 23:12
Neutrons khaws cov protons hauv qhov sib npaug. Neutrons ua lub luag haujlwm dab tsi hauv lub atomic nucleus? Cement / kua nplaum. Lawv ua rau kom muaj kev nyiam ntawm nuclear kom kov yeej lub zog hluav taws xob uas tsis txaus ntseeg. Kawg hloov kho: 2023-12-15 23:12
Lus Cim - Yog tias koj siv cov xim fluorescent los ua koj cov chalk koj yuav xav tau lub teeb dub kom tau txais cov nyhuv ci. Yog tias koj siv glow-in-the-dub xim xim, chalk yuav ci nyob rau hauv qhov tsaus ntuj thiab nyob rau hauv uv-light. Kawg hloov kho: 2023-12-15 23:12
Electron Configurations A B Sodium 1s2 2s2 2p6 3s1 Magnesium 1s2 2s2 2p6 3s2 Aluminium 1s2 2s2 2p6 3s2 3p1 Sulfur 1s2 2s2 2p6 3s2 3p4. Kawg hloov kho: 2023-12-15 23:12
Plaub lub ntiaj teb pob zeb yog Mercury, Venus, Ntiaj Teb thiab Mars. Lawv yog plaub lub ntiaj teb ze tshaj plaws rau lub hnub. Lawv yog ua los ntawm pob zeb thiab hlau. Lawv muaj ib tug khoom nto thiab ib tug tseem ceeb uas yog ua los ntawm hlau. Kawg hloov kho: 2023-12-15 23:12