Hauv kab zauv, p2 sawv cev qhov zaus ntawm homozygous genotype AA, q2 sawv cev qhov zaus ntawm homozygous genotype aa, thiab 2pq sawv cev qhov zaus ntawm heterozygous genotype Aa. Tsis tas li ntawd, cov lej ntawm allele frequencies rau tag nrho cov alleles ntawm qhov chaw yuav tsum yog 1, yog li p + q = 1. Kawg hloov kho: 2023-12-15 23:12
Feem ntau nyob rau hauv lub xeev molten, nws yog ib tug zoo conductor ntawm hluav taws xob. Calcium chloride yog ib tug phem conductor ntawm tshav kub. Nws qhov kub hnyiab yog siab li 1935 ° C. Nws ishygroscopic nyob rau hauv cov xwm thiab absorbs noo noo los ntawm huab cua. Kawg hloov kho: 2023-12-15 23:12
Cov qauv hauv zej zog muaj ntau heev hauv cov tes hauj lwm tiag tiag. Nrhiav cov qauv hauv zej zog hauv lub network, yog tias muaj, yog qhov tseem ceeb rau ntau qhov laj thawj. Cov zej zog tso cai rau peb los tsim ib daim ntawv qhia loj ntawm lub network txij li cov zej zog ib leeg ua zoo li meta-nodes hauv lub network uas ua rau nws txoj kev kawm yooj yim dua. Kawg hloov kho: 2023-12-15 23:12
Lub hli yog tuav nyob rau hauv orbit ncig lub ntiaj teb los ntawm lub gravitational quab yuam ntawm lub ntiaj teb thiab lub hli. Ib yam li ntawd, lub hnub lub ntiajteb txawj nqus tuav lub ntiaj teb nyob rau hauv orbit ncig lub hnub. Cia ua ib qho kev ua kom pom lub hli lub orbit ncig lub ntiaj teb. Kawg hloov kho: 2023-12-15 23:12
Nws txhais tau hais tias muaj ib lub atom ntawm carbon thiab ob atoms ntawm Oxygen bonded ua ke ua ib tug molecule hu ua carbon dioxide. Ib qho molecule yog qhov tsawg tshaj plaws uas muaj peev xwm muab faib tau thiab tseem yog nws tus kheej thiab qhov sib tov yog thaum cov tshuaj tsuas yog sib xyaw ua ke xws li ntsev thiab kua txob. Kawg hloov kho: 2023-12-15 23:12
Tsib lub ntsiab lus tseem ceeb ntawm biology yog cov qauv thiab kev ua haujlwm ntawm cov hlwb, kev cuam tshuam ntawm cov kab mob, homeostasis, kev loj hlob thiab noob caj noob ces, thiab evolution. Kawg hloov kho: 2023-12-15 23:12
Los ntawm qhov tob tshaj plaws dej hiav txwv trench mus rau lub roob siab tshaj, phaj tectonics piav qhia txog cov yam ntxwv thiab kev txav ntawm lub ntiaj teb nto nyob rau tam sim no thiab yav dhau los. Phaj tectonics yog txoj kev xav tias lub ntiaj teb lub plhaub sab nrauv tau muab faib ua ntau daim hlau uas glide hla lub mantle, lub pob zeb sab hauv txheej saum lub hauv paus. Kawg hloov kho: 2023-12-15 23:12
Cloned thiab artificially mutated DNA yog muab tso rau hauv ib tug tswv tsev, thiab kev hloov pauv tau soj ntsuam los txiav txim seb cov noob ua haujlwm li cas. Ib lub tswv yim zoo sib xws muaj nyob hauv RNA cuam tshuam, qhov twg cov khoom siv RNA molecules siv los ua ntsiag to lossis tua qee cov noob ntawm DNA. Kawg hloov kho: 2023-12-15 23:12
Phototropism - Kev sim. Qee qhov kev sim phototropism thaum ntxov tau ua los ntawm Charles Darwin (paub zoo tshaj plaws rau nws txoj kev koom tes rau evolutionary theory) thiab nws tus tub. Nws pom tau hais tias yog lub teeb ci rau ntawm lub coleoptile (tawm taub hau) los ntawm ib sab, tua khoov (loj hlob) mus rau lub teeb. Kawg hloov kho: 2023-12-15 23:12
C12H22O11 sawv cev rau Cov Qab Zib Qab Zib (sucrose; hom tshuaj lom neeg). Kawg hloov kho: 2023-12-15 23:12
Hauv H2O molecule, ob lub dej molecules yog sib koom ua ke los ntawm Hydrogen daim ntawv cog lus tab sis qhov kev sib cog lus ntawm ob H - O daim ntawv cog lus hauv cov dej molecule yog covalent. Kawg hloov kho: 2023-12-15 23:12
Crystals feem ntau tsim nyob rau hauv qhov xwm txheej thaum cov kua txias thiab pib tawv. Qee cov molecules hauv cov kua sib sau ua ke thaum lawv sim ua kom ruaj khov. Lawv ua li no nyob rau hauv ib tug niaj hnub thiab rov ua qauv uas ua rau lub crystal. Hauv qhov xwm txheej, cov muaju tuaj yeem tsim thaum cov pob zeb ua kua, hu ua magma, txias. Kawg hloov kho: 2023-12-15 23:12
Lub cell membrane yog xaiv permeable rau ions thiab organic molecules thiab tswj kev txav ntawm cov khoom hauv thiab tawm ntawm lub hlwb. Lub luag haujlwm tseem ceeb ntawm cov cell membrane yog los tiv thaiv lub cell ntawm nws ib puag ncig. Nws muaj phospholipid bilayer nrog embedded proteins. Kawg hloov kho: 2023-12-15 23:12
Kev tshawb fawb Latin cov npe pab piav qhia txog "genus" thiab "hom" ntawm cov nroj tsuag kom zoo dua categorize lawv. Lub binomial (ob lub npe) system ntawm nomenclature yog tsim los ntawm Swedish naturalist, Carl Linnaeus nyob rau hauv nruab nrab 1700s. Kawg hloov kho: 2023-12-15 23:12
VIDEO Tsuas yog li ntawd, koj yuav nrhiav tau qhov kev hloov pauv ntawm txoj haujlwm li cas? Lub luag haujlwm txhais lus / kev hloov pauv txoj cai: f (x) + b hloov cov haujlwm b mus rau sab saud. f (x) – b hloov txoj haujlwm b mus rau nqes.. Kawg hloov kho: 2023-12-15 23:12
Gemmule. Ib qho asexually tsim tawm ntawm cov hlwb, uas muaj peev xwm txhim kho mus rau hauv cov kab mob tshiab lossis rau hauv cov neeg laus cov dej tsis huv yog hu ua Gemmule. Asexual reproduction yog tsuas yog nqa tawm los ntawm budding thiab kuj los ntawm gemmulation. Internal buds, uas yog tsim los ntawm cov dej tshiab sponges yog hu ua gemmules. Kawg hloov kho: 2023-12-15 23:12
Ua ntej ntawm tag nrho cov, nws tsis pom zoo kom siv peb theem transformer mus rau ib theem li nws mus underutilization. Tsis tas li ntawd lwm ob theem ntawm transformerremains nyob rau ntau qhov kev huam yuaj. Koj tuaj yeem thov ib theem ntawm ob kab thawj (hais AB) thiab muab cov khoom tawm los ntawm cov kab thib ob (say'ab'). Kawg hloov kho: 2023-12-15 23:12
Eukaryotic hlwb muaj cov kab mob sib txuas ua ke, thaum cov hlwb prokaryotic tsis muaj. Eukaryotic hlwb muaj cov nucleus uas muaj cov ntaub ntawv caj ces hu ua DNA, thaum cov hlwb prokaryotic tsis muaj. Hauv cov hlwb prokaryotic, DNA tsuas yog ntab ncig hauv lub cell. Kawg hloov kho: 2023-12-15 23:12
Kev txheeb xyuas ntawm Tamarack: Ib tug tswv cuab ntawm Tsev Neeg Pine, Tamarack yog ib tsob ntoo uas muaj lub cev zoo nkauj, cov ntoo conical, nrog cov nplooj ntsuab ntsuab, txog ib nti ntev. Cov koob ntawm Tamarack yog tsim nyob rau hauv pawg ntawm kaum mus rau nees nkaum. Lawv txuas nrog cov twigs nyob rau hauv nruj spirals nyob ib ncig ntawm luv spur ceg. Kawg hloov kho: 2023-12-15 23:12
Lub spliceosome yog ib qho kev sib dhos loj ntawm 5 RNAs thiab ntau cov proteins uas, ua ke, ua rau cov neeg ua ntej-mRNA (pre-mRNA) splicing. Txawm li cas los xij, lub spliceosome li ribozyme hypothesis tau nyuaj heev los ua pov thawj, rau 2 qhov laj thawj loj. Ua ntej, lub spliceosome muaj ntau cov proteins uas tseem ceeb rau kev sib txuas (2). Kawg hloov kho: 2023-12-15 23:12
Sodium carbonate, tseem hu ua soda ntxhua khaub ncaws, yog ib qho khoom muaj nyob hauv cov ntxhua khaub ncaws. Thaum yaj hauv dej, nws nyiam tsim cov kev daws teeb meem nrog pH qhov nruab nrab ntawm 11 thiab 12. Kawg hloov kho: 2023-12-15 23:12
Infrared astronomy muab cov kws tshawb fawb muaj peev xwm ntsuas qhov kub ntawm lub cev ntawm lub ntiaj teb, cov hnub qub, thiab cov plua plav hauv qhov chaw sib txuas. Kuj tseem muaj ntau cov molecules uas nqus cov hluav taws xob infrared muaj zog. Yog li txoj kev kawm ntawm cov muaj pes tsawg leeg ntawm astrophysical lub cev feem ntau ua tau zoo tshaj plaws nrog infrared telescopes. Kawg hloov kho: 2023-12-15 23:12
Koj tuaj yeem txheeb xyuas cov ntxhia los ntawm nws cov tsos thiab lwm yam khoom. Cov xim thiab luster piav txog cov tsos ntawm cov ntxhia, thiab streak piav txog cov xim ntawm cov hmoov ntxhia. Mohs hardness scale yog siv los sib piv cov hardness ntawm minerals. Kawg hloov kho: 2023-12-15 23:12
Lub sij hawm hauv pem teb void kuj tseem siv tau los xa mus rau qhov chaw kab rov tav ntawm lub qab nthab thiab hauv pem teb saum toj no, uas tuaj yeem ua raws li cov qauv hauv pem teb, kev pabcuam thiab lwm yam. Nws kuj tseem tuaj yeem xa mus rau qhov tsis muaj nyob nruab nrab ntawm pem teb hauv qab ntawm lub tsev thiab hauv av hauv qab no, qee zaum hu ua qhov chaw nkag. Kawg hloov kho: 2023-12-15 23:12
Cog adaptations rau lub neej nyob rau hauv av muaj xws li kev loj hlob ntawm ntau yam qauv - ib tug dej-repellent cuticle, stomata los tswj cov dej evaporation, tshwj xeeb cov hlwb los muab rigid kev txhawb nqa tiv thaiv lub ntiajteb txawj nqus, tshwj xeeb qauv los sau hnub ci, alternation ntawm haploid thiab diploid tiam, kev sib deev hauv nruab nrog cev, ib. Kawg hloov kho: 2023-12-15 23:12
Qhov txawv ntawm kinetic thiab mechanical zog yog tias kinetic yog ib hom ntawm lub zog, thaum mechanical yog ib daim ntawv uas lub zog siv. Piv txwv li, ib rab hneev uas tau kos thiab hneev taw uas yog lub xub yog ob qho piv txwv ntawm lub zog siv tshuab. Txawm li cas los xij, lawv tsis muaj ob hom tib lub zog. Kawg hloov kho: 2023-12-15 23:12
Kev txhais lus. Cov txheej txheem ntawm kev txhais cov kab ke ntawm tus xa xov RNA (mRNA) molecule rau ib ntu ntawm cov amino acids thaum lub sij hawm tsim cov protein. Codon. Peb-nucleotide ib ntus ntawm tus xa xov RNA uas codes rau ib qho amino acid. Anticodon. Kawg hloov kho: 2023-12-15 23:12
Thaum hlau sulfide reacts nrog diluted sulfuric acid, hydrogen sulfide yog tsim uas yog sau nyob rau hauv lub hub gas los ntawm upward tsiv ntawm huab cua. Kawg hloov kho: 2023-12-15 23:12
Daim npav Term T lossis F Txhua lub ntiaj teb muaj lub hli. Lo lus txhais F Lub sij hawm twg lub ntiaj teb yog kwv yees li ib nrab ntawm Pluto lub orbit thiab lub hnub? Txhais Uranus, lub xya ntiaj chaw los ntawm lub hnub. Kawg hloov kho: 2023-12-15 23:12
Ornamental pampas nyom feem ntau yog siv los soj ntsuam lub hom phiaj lossis tsim ciam teb. Lub sij hawm ornamental implies hais tias cov ntau yam ntawm grasses pab tsis muaj lub hom phiaj lwm yam tshaj li kho kom zoo nkauj, akin rau vaj gnomes los yog sundials. Nyob rau hauv qhov tseeb, ornamental nyom muaj peev xwm siv ntau tshaj turf grasses. Kawg hloov kho: 2023-12-15 23:12
Cov lus piav qhia (nrog rau kev sib npaug tshuaj tseem ceeb): Co(H2O)62+ complex yog liab, thiab CoCl42- complex yog xiav. Cov tshuaj tiv thaiv no yog endothermic raws li sau tseg, yog li ntxiv cov cua sov ua rau qhov sib npaug tsis tu ncua hloov mus rau sab xis. Qhov no, sib piv, ua rau kev daws teeb meem xiav. Kawg hloov kho: 2023-12-15 23:12
Cov hauv paus ntsiab lus no yog ASTER & ASTRO uas los ntawm Greek astron uas txhais tau tias STAR. Qhov no yog ib qho tseem ceeb hauv peb lub sijhawm, vim tsis muaj leej twg nyob hauv qhov muag ntau dua li ASTROnaut. Kawg hloov kho: 2023-12-15 23:12
CALIFORNIA TSUNAMI - Lub Peb Hlis 28, 1964 TSUNAMI IN CALIFORNIA - Dr. Kawg hloov kho: 2023-12-15 23:12
Ib qho hlau nplaum zoo ib yam li hlau, yog li qhov saum npoo yog ci. Lub submetallic tsis tshua ci dua li cov hlau thiab cov nonmetallic yog npub heev. Halite muaj lub vitreous luster uas muab nws ci ntsa iab, iav zoo li. Kawg hloov kho: 2023-12-15 23:12
Av pH yog qhov tseem ceeb vim tias nws cuam tshuam ntau yam av uas cuam tshuam rau cov nroj tsuag kev loj hlob, xws li (1) cov kab mob hauv av, (2) cov khoom noj leaching, (3) muaj cov khoom noj muaj txiaj ntsig, (4) cov tshuaj lom neeg, thiab (5) cov qauv hauv av. Cov nroj tsuag cov as-ham feem ntau muaj rau cov nroj tsuag hauv thaj tsam pH 5.5 txog 6.5. Kawg hloov kho: 2023-12-15 23:12
Recombinant DNA thev naus laus zis muaj kev siv hauv kev noj qab haus huv thiab khoom noj khoom haus. Hauv tshuaj, nws yog siv los tsim cov khoom lag luam xws li tib neeg cov tshuaj insulin. Hauv kev ua liaj ua teb, nws yog siv los qhia cov yam ntxwv zoo rau cog kom nce lawv cov qoob loo thiab txhim kho cov khoom noj khoom haus. Kawg hloov kho: 2023-12-15 23:12
Organic sedimentary pob zeb siv rau dab tsi? Limestone yog siv rau hauv kev tsim kho raws li lub tsev pob zeb thiab tau siv los tsim cov pyramids. Cov nkoj thauj khoom limestone pob zeb ua ballast. Crushed limestone yog siv rau txoj kev thiab kev tsheb ciav hlau txaj. Kawg hloov kho: 2023-12-15 23:12
Cov nroj tsuag tsis muaj centrioles, txawm li cas los xij, lawv tseem tuaj yeem tsim lub mitotic spindle los ntawm thaj tsam centrosome ntawm lub xovtooj sab nraud ntawm lub hnab ntawv nuclear. Lawv mus txog theem ntawm mitotic faib raws li cov tsiaj hlwb-prophase, metaphase, anaphase thiab telophase, ua raws li cytokinesis. Kawg hloov kho: 2023-12-15 23:12
Lub cell yooj yooj yim los yog voltaic cell muaj ob lub electrodes, ib qho ntawm tooj liab thiab lwm yam ntawm zinc dipped nyob rau hauv ib tug tov ntawm dilute sulfuric acid nyob rau hauv ib lub iav raj. Thaum txuas ob lub electrodes sab nraud, nrog ib daim hlau, tam sim no ntws los ntawm tooj liab mus rau zinc sab nraud ntawm tes thiab los ntawm zinc rau tooj liab hauv nws. Kawg hloov kho: 2023-12-15 23:12
Glacial sediment. Pob zeb thiab cov khib nyiab poob los ntawm cov roob hauv av rau ntawm qhov chaw glacier. Cov khoom no yog nqa raws li nws nyob rau ntawm ib tug loj conveyer siv. Thaum lub caij ntuj sov, dej khov thiab daus pib yaj. Lub meltwater ntws nyob rau hauv cov kwj deg saum lub glacier. Kawg hloov kho: 2023-12-15 23:12