Science 2024, Hlis ntuj nqeg

Deimos thiab Phobos. "Ntshai thiab ntshai heev"

Deimos thiab Phobos yog me me los ntawm cosmic qauv satellites ntawm peb cov neeg nyob ze, Mars. Txawm hais tias lawv cov npe zoo nkauj heev, lawv saib zoo nkauj tawm tsam keeb kwm ntawm lwm lub cev xilethi-aus hauv lub hnub ci. Kawg hloov kho: 2023-12-17 05:12

Hyperbole yog nkhaus

Ib daim duab tiaj tus ua los ntawm cov ntsiab lus nrog axes yog hu ua hyperbola. Qhov kev tsim no muaj nyob rau hauv qhov xwm txheej, piv txwv li, lub hnub ci tuaj yeem koom nrog hauv kev tsim qhov nkhaus zoo nkauj no. Kawg hloov kho: 2023-12-17 05:12

Kev xaiv xaiv - microevolution nyob rau hauv cov pejxeem ntawm cov kab mob

Natural xaiv yog qhov taw qhia ntawm evolution. Nws ua hauj lwm raws li ib tug mechanism - lub zog tshaj ciaj sia thiab tawm tom qab cov xeeb ntxwv, i.e. cov neeg haumxeeb. Txawm li cas los xij, nyob ntawm nws txoj kev ua tau zoo, kev coj ua, cov yam ntxwv ntawm cov xwm txheej rau lub neej ntawm cov kab mob, cov qauv ntawm kev xaiv ntuj yuav txawv. Ib qho ntawm nws cov ntaub ntawv yog tsav tsheb xaiv (qhia), uas ua rau muaj kev tsim cov kab mob tshiab hauv qhov chaw hloov pauv. Kawg hloov kho: 2023-12-17 05:12

Kab mob xeb yog dab tsi?

Kab xeb yog kab tsuag uas cuam tshuam rau ntau yam qoob loo. Muaj ntau qhov kev faib tawm tau txais los ntawm ntau hom fungus, feem ntau nyob rau hauv cereals - qus, cultivated. Kawg hloov kho: 2023-12-17 05:12

Txiv neej zoo los tsis zoo?

"Tus cwj pwm phem zoo li lub txaj zoo heev. Nws yooj yim nkag mus rau hauv nws, tab sis nws nyuaj kom tawm hauv qab npog. ". Kawg hloov kho: 2023-12-17 05:12

Lub hnub qub puas yog lub hnub qub tua?

Txij lub sijhawm ntau lub cev lub cev poob rau hauv peb lub ntiaj teb. Lawv yog cov loj thiab me, inconspicuous thiab intimidating, hlau thiab silicate, ntau haiv neeg. Lub npe scientific rau lub hnub qub shooting yog meteorite. Qhov kev txhais no siv rau lub cev loj dua 10 µm. Cov qhua me me yog hu ua micrometeorites. Kawg hloov kho: 2023-12-17 05:12

Soil profiles: hom thiab piav qhia

Tus cwj pwm ntawm cov av txhawm rau txiav txim siab lawv tus nqi yog tsis yooj yim sua yam tsis tau kawm cov av profile. Nws yog dab tsi, thiab hom profiles yog dab tsi, nyeem kab lus. Kawg hloov kho: 2023-12-17 05:12

Cov kab mob lom neeg: lub ntsiab lus ntawm lub tswv yim thiab cov yam ntxwv tseem ceeb

Cov kab lus qhia txog lub tswv yim ntawm "kev lom zem", piav qhia nws cov khoom tseem ceeb thiab cov yam ntxwv. Cov txheej txheem ntawm cov txheej txheem lom neeg thiab cov ntsiab lus ntawm kev faib tawm ntawm cov kab mob muaj sia kuj tau qhia. Kawg hloov kho: 2023-12-17 05:12

Habitat - thaj tsam ntawm kev faib tawm ntawm ib tug taxon (tsev neeg, genus, hom)

Habitat yog thaj chaw uas muaj ciam teb meej uas qee hom kab mob muaj ntau. Lawv nyob ntawm no vim muaj kev sib raug zoo ntawm ib puag ncig thiab lwm tus neeg sawv cev ntawm flora thiab fauna. Kawg hloov kho: 2023-12-17 05:12

Tsis sib haum xeeb ntawm dej khov thiab dej

Dej yog cov kua dej tsis zoo. Qhov no yog vim lub fact tias feem ntau ntawm nws cov khoom yog anomalous, txawv los ntawm lwm yam kua. Yog vim li cas nyob rau hauv nws cov qauv tshwj xeeb, uas yog vim hydrogen bonds ntawm molecules uas hloov nrog kub thiab siab. Dej khov kuj muaj cov khoom tshwj xeeb no. Kawg hloov kho: 2023-12-17 05:12

Digestive system ntawm ntses thiab nws cov qauv

Lub plab zom mov ntawm cov ntses pib hauv lub qhov ncauj nrog cov hniav uas siv los ntes cov tsiaj los yog sau cov zaub mov. Cov duab ntawm lub qhov ncauj thiab cov qauv ntawm cov hniav tuaj yeem sib txawv heev, nyob ntawm seb hom zaub mov uas cov ntses feem ntau noj. Kawg hloov kho: 2023-12-17 05:12

Kab mob cab: hom, phom sij thiab tswj kev ntsuas

Tus kab mob cab kab mob thiab nws cov txiaj ntsig ntawm lub cev. Hom helminths, kev faib tawm, cov yam ntxwv thiab kev ua neej. Kab mob txuam nrog cov kab mob cab. Kawg hloov kho: 2023-12-17 05:12

Lub categorical apparatus yog Lub tswvyim, lub ntsiab lus, hom, pros thiab cons ntawm daim ntawv thov

Tag nrho peb cov lus thiab nqe lus yog raug rau ib lub hom phiaj - lub ntsiab lus. Hauv cov xwm txheej sib txawv, peb hais txawv, peb siv cov ntsiab lus sib txawv thiab cov ntsiab lus sib txawv. Txhawm rau kom tsis txhob tsis meej pem hauv koj tus kheej cov lus thiab qhia lub tswv yim rau tus neeg sib tham, muaj xws li "categorical apparatus". Kawg hloov kho: 2023-12-17 05:12

Deviantology yog Lub tswv yim, kev kawm, qhov chaw hauv kev tshawb fawb

Yog koj tsis ua zoo li lwm tus, lub neej yuav ntxub koj. Qhov kev xav no yog nrov heev thiab tsis yog tsis muaj laj thawj. Kev coj cwj pwm txawv txawv ua rau tib neeg tsis txaus siab, lawv lub siab tsis zoo, lawv chim siab, thiab tag nrho ib hnub mus tsis pom qhov twg. Ntseeg kuv, tsis muaj leej twg xav nplawm koj ib zaug ntxiv, tib neeg twb muaj ntau yam ua. Txhawm rau tiv thaiv kom tsis txhob muaj xwm txheej zoo li no, muaj kev qhuab qhia tshwj xeeb uas qhia tus cwj pwm kom raug hauv zej zog. Ib qho ntawm cov no yog deviantology. Kawg hloov kho: 2023-12-17 05:12

Qhov tseeb qhov tseeb thiab nws cuam tshuam rau kev tshawb fawb. Cov qauv, cov qauv, kev nkag siab thiab kev tawm tswv yim

Science nyob rau hauv ancient sij hawm tsuas yog nyob rau hauv nws cov me nyuam mos. Thiab feem ntau nws tau ua los ntawm loners, uas, ntxiv rau, rau feem ntau yog philosophers. Tab sis nrog lub advent ntawm scientific txoj kev, tej yam tau nce ho nce. Thiab qhov tseeb empirical plays lub luag haujlwm tseem ceeb hauv qhov no. Kawg hloov kho: 2023-12-17 05:12

Graphology - qhov no yog science li cas? Kev txiav txim siab siv graphology ntawm tus cwj pwm los ntawm kev sau ntawv thiab kos npe

Graphology yog ib qho kev tshawb fawb uas tsom mus rau kev sib txuas ntawm tus neeg sau ntawv thiab nws tus cwj pwm zoo. Rau tag nrho nws qhov tshwj xeeb, kev siv cov hauv paus ntawm graphology tau dhau los ua ntau dua. Kev txaus siab hauv graphology kuj cuam tshuam rau peb. Cia peb txheeb xyuas seb nws yog dab tsi, uas tuaj yeem qhia cov lus zais ntawm tus neeg tsuas yog los ntawm kev sau ntawv los yog kos duab luv luv. Kawg hloov kho: 2023-12-17 05:12

Kev ua haujlwm ntawm zej zog

Lub luag haujlwm ntawm zej zog kuj suav nrog kev tswj hwm kev sib raug zoo ntawm tib neeg, ntau pawg thiab cov zej zog raws li kev coj ua thiab kev cai lij choj ntawm pej xeem. Qhov no tso cai rau koj kom zam los yog txwv tsis pub muaj qhov xwm txheej tsis sib haum xeeb lossis daws lawv hauv txoj kev cai lij choj. Kawg hloov kho: 2023-12-17 05:12

Cov ntaub ntawv tseem ceeb ntawm kev coj tus cwj pwm

Muaj ntau hom kev coj noj coj ua zoo li cas! Thiab tsawg leej neeg paub txog lawv li cas. Thiab qhov no tsis yog qhov xav tsis thoob - tom qab tag nrho, cov ncauj lus no tau kawm tshwj xeeb los ntawm cov kws tshawb fawb thiab cov kws tshawb fawb nom tswv. Tab sis kev paub nyob rau hauv cov ntaub ntawv no yuav tsis cuam tshuam rau cov neeg uas xav mus ncaj qha mus rau lub neej ntawm lub teb chaws. Yog li, tus pib nom tswv txoj kev tshawb fawb, cia peb kawm cov qauv tseem ceeb ntawm kev coj noj coj ua. Kawg hloov kho: 2023-12-17 05:12

Self-reproduction is Self-production of organisms

Lub peev xwm los tsim nws tus kheej yog ib qho ntawm cov cim ntawm cov kab mob nyob. Hauv qhov xwm txheej, muaj ntau txoj hauv kev ntawm kev yug me nyuam uas ua kom muaj kev txuas ntxiv ntawm ntau tiam neeg hauv ntiaj teb. Kawg hloov kho: 2023-12-17 05:12

Electrolyte daws

Cov tshuaj electrolyte yog cov kua tshwj xeeb uas yog ib feem lossis tag nrho hauv daim ntawv them nqi (ions). Cov txheej txheem ntawm kev faib cov molecules rau hauv qhov tsis zoo (anions) thiab qhov zoo (cations) hais yog hu ua electrolytic dissociation. Kawg hloov kho: 2023-12-17 05:12

Ua tiav kev tswj hwm thiab lwm yam kev sib cuam tshuam ntawm noob

Ntau tus ntawm peb tau hnov txog cov noob caj noob ces tseem ceeb - qee cov chains ntawm nucleotides zais rau hauv peb cov genome uas yog lub luag haujlwm rau kev xeeb tub. Lawv sib cuam tshuam li cas? Dominance yog dab tsi thiab nws tshwm sim li cas? Yog vim li cas recessive alleles tsis ib txwm suppressed los ntawm cov tseem ceeb? Cov lus nug no tau tuav cov kws tshawb fawb txij li kev tshawb pom cov noob. Kawg hloov kho: 2023-12-17 05:12

Vim li cas peb yuav tsum paub pH ntawm dej?

Raws li koj paub, pH yog ib chav tsev ntawm hydrogen ion kev ua haujlwm, sib npaug ntawm cov logarithm ntawm kev ua haujlwm ntawm hydrogen ions. Yog li, dej nrog pH ntawm 7 muaj 10-7 moles ib liter ntawm hydrogen ions; thiab dej nrog pH ntawm 6 - 10-6 mol ib liter. Qhov pH nplai tuaj yeem nyob ntawm 0 txog 14. Puas yog pH cuam tshuam rau tib neeg kev noj qab haus huv?. Kawg hloov kho: 2023-12-17 05:12

Aircraft designer Igor Sikorsky: biography, inventions

Hnub no, Igor Sikorsky tus kheej txoj kev vam meej ntawm peb hom tseem ceeb tshaj plaws ntawm cov dav hlau niaj hnub no. Loj plaub lub cav dav hlau, dav hlau ya dav hlau thiab ntau lub hom phiaj nyoob hoom qav taub, uas tau ua lub luag haujlwm tseem ceeb hauv kev txhim kho aviation, tau tshwm sim ua tsaug rau cov neeg txawj ntse ntawm cov neeg tsim qauv dav hlau legendary. Kawg hloov kho: 2023-12-17 05:12

Modern inventions. Qhov tseeb nthuav inventions ntawm lub ntiaj teb no. Niaj hnub Lefties

Lub siab xav tsis tu ncua thiab niaj hnub tshawb nrhiav cov ntaub ntawv tshiab. Niaj hnub nimno inventions yog ib qho piv txwv tseem ceeb ntawm qhov no. Dab tsi inventions paub koj? Koj puas paub tias lawv cuam tshuam li cas ntawm keeb kwm thiab tag nrho ntawm tib neeg? Niaj hnub no peb yuav sim qhib daim ntaub thaiv ntawm qhov paub tsis meej ntawm lub ntiaj teb tshiab thiab tsis ntev los no tau tsim thev naus laus zis. Kawg hloov kho: 2023-12-17 05:12

Quaternary qauv protein: cov yam ntxwv thiab kev ua haujlwm

Ib tus kws tshawb fawb nto moo ib zaug tau hais tias: "Lub neej yog ib hom kev muaj nyob ntawm lub cev protein." Thiab nws yog tiag tiag, vim hais tias nws yog cov organic tshuaj uas yog lub hauv paus ntawm feem ntau cov kab mob. Quaternary qauv protein muaj cov txheej txheem nyuaj tshaj plaws thiab cov khoom tshwj xeeb. Peb tsab xov xwm yuav mob siab rau nws. Kawg hloov kho: 2023-12-17 05:12

Globular thiab fibrillar proteins. Hom fibrillar proteins

Fibrillar proteins - cov uas muaj cov qauv hauv daim ntawv xov. Lawv tsis yaj nyob rau hauv dej thiab muaj ib tug loj heev molecular hnyav, cov qauv uas yog heev tswj, nws los txog rau ib tug ruaj khov lub xeev vim muaj kev cuam tshuam ntawm sib txawv chains ntawm polypeptides. Cov chains no yog synchronously rau ib leeg ntawm tib lub dav hlau thiab tsim cov hu ua fibrils. Kawg hloov kho: 2023-12-17 05:12

Yooj yim thiab complex proteins. Structure, functions, zog, yam ntxwv, piv txwv ntawm complex proteins

Ib lub ntsiab lus ntawm lub neej yog raws li hauv qab no: "Lub neej yog ib txoj hauv kev uas muaj protein ntau lub cev." Nyob rau hauv peb lub ntiaj teb, tsis muaj kev zam, tag nrho cov kab mob muaj xws li cov organic raws li cov proteins. Hauv tsab xov xwm no, cov proteins uas yooj yim thiab nyuaj yuav raug kawm, qhov sib txawv ntawm cov qauv molecular yuav raug txiav txim siab, thiab lawv txoj haujlwm hauv cell yuav raug txiav txim siab. Kawg hloov kho: 2024-01-18 04:01

DNA cov duab, qauv thiab kev sib txuas

Deoxyribonucleic acid ua haujlwm los ntawm cov ntaub ntawv keeb kwm xa mus los ntawm cov kab mob uas muaj sia nyob mus rau lwm tiam neeg, thiab cov matrix rau kev tsim cov protein thiab ntau yam kev tswj hwm ntawm lub cev. Hauv tsab xov xwm no, peb yuav tsom mus rau dab tsi yog cov qauv zoo tshaj plaws ntawm DNA qauv. Peb tseem yuav ua tib zoo saib seb cov ntaub ntawv no tau ua li cas thiab nyob rau hauv daim ntawv DNA nyob hauv lub cell li cas. Kawg hloov kho: 2023-12-17 05:12

Viruses tsis yog cellular life forms. Cov ntaub ntawv lub neej: tsis yog cellular thiab cellular

Txhua yam kab mob yog tsim los ntawm cov hlwb - qhov tsawg tshaj plaws cov qauv thiab kev ua haujlwm ntawm cov qauv. Tab sis kuj tseem muaj cov ntaub ntawv tsis yog cellular ntawm lub neej: kab mob thiab bacteriophages. Dab tsi ntawm cov qauv tso cai rau lawv los tuav lawv qhov tsim nyog niche ntawm lub nceeg vaj ntawm cov tsiaj qus? Cia peb kawm ntxiv. Kawg hloov kho: 2023-12-17 05:12

Taxa yog dab tsi?

Txoj kev cai niaj hnub ntawm cov tsiaj yog loj thiab muaj ntau haiv neeg, yog li peb yuav tsum tau piav qhia lawv txhua tus, sau lawv, faib ua pawg, thiab coj lawv los ua ke. Thiab qhov no, xws li ib yam li taxa pab peb. Kawg hloov kho: 2023-12-17 05:12

Hom Coelenterates: cov yam ntxwv dav dav

Ib qho ntawm thawj pab pawg ntawm ntau cov tsiaj txhu - hom Coelenterates. Qib 7, uas suav nrog chav kawm zoology, tshuaj xyuas kom meej tag nrho cov qauv ntawm cov tsiaj zoo li no. Cia peb rov qab hais tias lawv yog dab tsi. Kawg hloov kho: 2023-12-17 05:12

Cov ntu tseem ceeb ntawm chemistry: piav qhia, nta thiab nthuav qhov tseeb

Txij thaum pib, tib neeg tau txaus siab rau kev sib xyaw, qauv thiab kev sib cuam tshuam ntawm txhua yam uas nyob ib puag ncig lawv. Qhov kev paub no tau muab tso ua ke rau hauv ib qho kev tshawb fawb - chemistry. Hauv tsab xov xwm, peb yuav xav txog nws yog dab tsi, ntu ntawm chemistry thiab qhov xav tau los kawm nws. Kawg hloov kho: 2023-12-17 05:12

Thermodynamics thiab hloov hluav taws xob. Cov txheej txheem ntawm kev hloov cua sov thiab kev suav. Thaum tshav kub kub hloov yog

Hnub no peb yuav sim nrhiav cov lus teb rau lo lus nug "Kub hloov pauv puas yog?..". Nyob rau hauv tsab xov xwm, peb yuav xav txog dab tsi cov txheej txheem no yog dab tsi, hom ntawm nws muaj nyob rau hauv cov xwm, thiab kuj nrhiav seb dab tsi yog kev sib raug zoo ntawm tshav kub hloov thiab thermodynamics. Kawg hloov kho: 2023-12-17 05:12

Pennett lattice - ib qho yooj yim daws rau cov teeb meem nyuaj

Txoj kev yooj yim thiab pom kev ntawm kev daws teeb meem hauv caj ces, zoo li Punnett lattice, tau thov los ntawm cov kws tshawb fawb Askiv txog li ib puas xyoo dhau los. Thiab txoj kev tseem siv los ntawm cov kws tshuaj caj ces thoob plaws ntiaj teb. Kawg hloov kho: 2023-12-17 05:12

Prokaryotic cell - ib lub cell ntawm cov kab mob pre-nuclear

Nyob hauv peb lub ntiaj teb no, muaj cov kab mob pre-nuclear lossis prokaryotes uas tsis muaj cov nucleus tsim. Cov kab mob no yog unicellular, thiab lawv cov qauv muaj ib tug xov tooj ntawm cov yam ntxwv uas prokaryotic cell tau hloov mus rau lub neej. Kawg hloov kho: 2023-12-17 05:12

Dab tsi yog kev txhais lus hauv biology? Qhov no yog theem ntawm cov protein synthesis

Kev txhais lus hauv biology yog tag nrho ntawm cov tshuaj tiv thaiv ib ntus, raws li qhov tshwm sim ntawm RNA molecules tau tsim los ntawm DNA qauv. Ntxiv mus, tsis tsuas yog cov ntaub ntawv ribonucleic acids yog tsim nyob rau hauv txoj kev no, tab sis kuj thauj, ribosomal, me me nuclear thiab lwm yam. Kawg hloov kho: 2023-12-17 05:12

RNA thiab DNA. RNA - yog dab tsi? RNA: qauv, kev ua haujlwm, hom

Hnub no yog lub sijhawm hloov pauv loj heev, kev vam meej loj heev, raws li cov lus nug ntau thiab ntau tau teb. Yog li ntawd nyob rau hauv lub thib ob ib nrab ntawm lub xyoo pua nees nkaum, nws muaj peev xwm nkag mus rau lub secrets ntawm xwm los ntawm kev kawm ntawm nucleic acids RNA thiab DNA. Kab lus no yog hais txog ribonucleic acid - RNA. Kawg hloov kho: 2023-12-17 05:12

Cov ntsiab lus txhais: txhais lub tswv yim, yam ntxwv

Hauv txhua yam kab mob (tshwj tsis yog qee tus kab mob), kev siv cov khoom siv caj ces tshwm sim raws li DNA-RNA-protein system. Nyob rau thawj theem, cov ntaub ntawv raug sau dua tshiab (txheej txheem) los ntawm ib qho nucleic acid mus rau lwm qhov. Cov proteins uas tswj cov txheej txheem no yog hu ua transcription factor. Kawg hloov kho: 2023-12-17 05:12

Chloroplast yog cov organelle ntsuab ntawm lub cell

Txhua tus tau pom tias lub caij nplooj zeeg nplooj hloov lawv cov xim. Qhov no yog vim lub fact tias chloroplasts tig mus rau hauv liab, daj, burgundy plastids. Kawg hloov kho: 2023-12-17 05:12

Tshuaj lom neeg ntawm alkynes. Qauv, tau txais, thov

Alkynes yog dab tsi? Lawv muaj pes tsawg leeg thiab tshuaj lom neeg muaj pes tsawg leeg? Lawv thov nyob qhov twg? Dab tsi yog txoj hauv kev kom tau txais lawv?. Kawg hloov kho: 2024-01-18 04:01