Cov txheej txheem:
- Yuav ua li cas theem nrab protonema tsim?
- Moss protonema ntawm Moss tsim los ntawm dab tsi?
- Tus kab mob thib ob yog dab tsi?
- protonema tsim nyob qhov twg?
Video: Nyob rau hauv mosses theem nrab protonema tshwm sim los ntawm?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Cov lus piav qhia ntawm protonemata feem ntau pom muaj nyob hauv txhua qhov muaj mosses thiab qee qhov ntawm lub cev. … Primary protonema yog ib feem tseem ceeb ntawm cov saw no uas yog tsim los ntawm ib tug spore. Secondary protonema tsim los ntawm ib feem ntawm cov neeg laus uas muaj xws li stems, nplooj thiab rhizoids
Yuav ua li cas theem nrab protonema tsim?
Raws li cov dej muaj txiaj ntsig zoo, qhov thib ob protonemata yog tsim los ntawm txhua qhov kev tshem tawm lossis raug mob ntawm gametophore xws li los ntawm qia, nplooj, antheridium, paraphyses thiab archegonium Lub rhizoids ntawm ib nplooj gametophore thaum raug lub teeb nyob rau hauv ib qho chaw moist kuj ua rau lwm yam protonema.
Moss protonema ntawm Moss tsim los ntawm dab tsi?
Cov protonema yog ib qho elongate, xov zoo li cov qauv uas tsim los ntawm cov germinated spore ntawm mosses thiab ib co liverworts.
Tus kab mob thib ob yog dab tsi?
Protonema txhais tau tias yog cov xov zoo li cov xov ntawm cov hlwb. … Primary protonema tsuas yog lub luag hauj lwm rau cov germination ntawm spore thaum theem nrab protonema yog lav rau tag nrho cov kev loj hlob ntawm gametophytic ib feem ntawm cov nroj tsuag.
protonema tsim nyob qhov twg?
Cov protonema, uas loj hlob ncaj qha los ntawm cov kab mob germinating, yog nyob rau hauv mossesib qho kev nthuav dav, cov kab ke ntawm ntau lub xov tooj ntawm tes uas muaj chlorophyll. Qhov theem no pib tsim cov tshuaj hormones uas cuam tshuam rau kev loj hlob ntxiv ntawm cov hlwb tshiab.
Pom zoo:
Nyob rau hauv diauxic kev loj hlob uas theem kev loj hlob tshwm sim?
Diauxic kev loj hlob yog qhov tshwm sim uas cov pej xeem ntawm microbes, thaum nthuav tawm nrog ob qhov chaw carbon, nthuav tawm bi-phasic exponential kev loj hlob cuam tshuam los ntawm kev lag luam ntawm kev loj hlob tsawg Keeb kwm, Qhov tshwm sim tau piav qhia los ntawm Monod 1 qhia diauxie nrog qabzib thiab lactose hauv E.
Dab tsi ntawm qhov tshwm sim hauv qab no tau sim ua pov thawj los ntawm meselson thiab stahl?
Kev sim Meselson thiab Stahl yog ib qho kev sim los ua pov thawj tias DNA replication yog semiconservative semiconservative Semiconservative replication piav txog lub mechanism ntawm DNA replication nyob rau hauv tag nrho cov paub hlwb… Cov txheej txheem no paub raws li ib nrab kev saib xyuas rov ua dua vim tias ob daim ntawv theej ntawm thawj DNA molecule raug tsim, txhua daim ntawv khaws cia (replicating) cov ntaub ntawv los ntawm ib nrab ntawm thawj DNA molecule.
Nyob hauv paj ntoo protandry tshwm sim nyob rau hauv?
1. Qhov xwm txheej hauv uas tus txiv neej lub cev xeeb tub (stamens) ntawm lub paj loj hlob ua ntej cov poj niam (carpels), yog li ua kom nws tus kheej fertilization tsis tshwm sim. Piv txwv ntawm cov paj protandrous yog ivy thiab rosebay willowherb .
Nyob rau theem twg ntawm daim siab mob ascites tshwm sim?
Ascites yog qhov teeb meem tseem ceeb ntawm cirrhosis, 3 thiab lub sijhawm nruab nrab rau nws txoj kev loj hlob yog kwv yees li 10 xyoo. Ascites yog lub cim tseem ceeb hauv kev loj hlob mus rau theem decompensated ntawmcirrhosis thiab cuam tshuam nrog kev ua tsis zoo thiab lub neej zoo;
Nyob rau hauv photorespiration decarboxylation tshwm sim nyob rau hauv uas organelle?
decarboxylation yog ib kauj ruam ntawm krebs voj voog, uas tshwm sim hauv mitochondria . Dab tsi organelle koom nrog hauv photorespiration? Photorespiration suav nrog peb lub cev ( chloroplasts, peroxisomes, thiab mitochondria), txhua tus muaj cov txheej txheem thauj tshwj xeeb rau lub voj voog nruab nrab .
