Video: Dab tsi yog qhov tseem ceeb ntawm herbarium zoo?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Teb: Cov khoom xav tau rau a zoo herbarium yog ntawm phau ntawv uas tuaj yeem khaws cov ntaub ntawv sau tseg ntawm cov nroj tsuag rau hnub nyoog hauv kev khaws cia. Kev piav qhia: Herbaria yog qhov tseem ceeb rau kev kawm txog cov nroj tsuag taxonomy, kev kawm ntawm thaj chaw faib khoom, thiab kev ruaj khov ntawm nomenclature.
Ib yam li ntawd, nws tau nug, herbarium Class 11 yog dab tsi?
Lub Ntiaj Teb Nyob Chav Kawm 11 . A herbarium txhais tau tias yog ib phau ntawm cov nroj tsuag uas feem ntau tau qhuav, nias thiab khaws cia rau ntawm nplooj ntawv. Cov nplooj ntawv tau teem tseg raws li kev lees paub ntawm kev faib tawm (feem ntau yog Bentham thiab Hooker's system).
Tsis tas li ntawd, cov ntaub ntawv herbarium yog dab tsi? » Herbarium cov ntaub ntawv yog ib phau ntawm khaws cia cov qauv cog thiab cov ntaub ntawv txuam nrog siv rau kev tshawb fawb. » Lub sij hawm tseem tuaj yeem xa mus rau lub tsev lossis chav tsev uas cov qauv nyob hauv, lossis rau lub koom haum tshawb fawb uas tsis yog khw muag khoom xwb tab sis siv rau kev tshawb fawb.
Tib neeg kuj nug, dab tsi yog herbarium thiab nws qhov tseem ceeb?
Herbaria sau lub ntiaj teb cov nroj tsuag thiab muab cov ntaub ntawv tas mus li thiab ruaj khov ntawm botanical ntau haiv neeg. Lub luag haujlwm no nce ntxiv tseem ceeb Raws li tus nqi ntawm kev puas tsuaj thaj chaw nce ntxiv thiab kev hloov pauv huab cua ua rau muaj kev hloov pauv sai hauv hom kab thiab txhua yam ntawm lawv cov ecology.
Dab tsi yog hom herbarium?
Muaj ntau chav kawm ntawm hom cov qauv. Qhov tseem ceeb tshaj plaws yog holotypes, lectotypes, neotypes, thiab epitypes. Syntypes yog arguably qhov tseem ceeb tshaj plaws tom ntej, ua raws li cov syntypes. Isotypes yog duplicates ntawm a hom qauv.
Pom zoo:
Dab tsi yog qhov txiaj ntsig tseem ceeb ntawm kev taw qhia ntawm tes los ntawm kev sib cuag lub cev ncaj qha?
Kev taw qhia kuj tshwm sim ntawm cov hlwb uas yog kev sib cuag ntawm lub cev. Kev sib cuam tshuam ntawm cov proteins ntawm qhov chaw ntawm cov hlwb tuaj yeem ua rau muaj kev hloov pauv hauv cov cwj pwm ntawm tes. Piv txwv li, cov proteins nyob rau saum npoo ntawm T-cells thiab antigen nthuav tawm cov hlwb sib cuam tshuam los ua kom muaj kev taw qhia hauv T-cells
Dab tsi yog qhov txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov ntab?
Integers thiab floats yog ob yam sib txawv ntawm cov ntaub ntawv tus lej. Ib tus lej (feem ntau hu ua anint) yog tus lej tsis muaj tus lej lej. Float isa floating-point number, uas txhais tau hais tias nws yog tus lej uas muaj tus lej lej. Floats siv thaum xav tau ntau dua
Vim li cas qhov tseem ceeb ntawm qhov tseem ceeb?
Thaum koj pom tus nqi kiag li hauv qhov teeb meem lossis qhov sib npaug, nws txhais tau hais tias txhua yam nyob hauv tus nqi tiag tiag yog qhov zoo. Cov txiaj ntsig tsis zoo feem ntau siv rau hauv cov teeb meem cuam tshuam nrog kev nyob deb thiab qee zaum siv nrog qhov tsis sib xws. Qhov ntawd yog qhov tseem ceeb uas yuav tsum nco ntsoov nws zoo li qhov deb ntawm xoom
Ob qhov tseem ceeb ntawm lub voj voog ntawm tes yog dab tsi thiab dab tsi tshwm sim rau lub cell hauv txhua theem?
Muaj ob theem tseem ceeb hauv lub voj voog ntawm tes. Thawj theem yog interphase thaum lub cell loj hlob thiab replicates nws DNA. Qhov thib ob yog theem mitotic (M-Phase) thaum lub sijhawm cell faib thiab hloov ib daim qauv ntawm nws cov DNA mus rau ob lub hlwb zoo tib yam
Dab tsi yog 2 qhov tseem ceeb ntawm lub voj voog ntawm tes thiab dab tsi tshwm sim rau lub cell hauv txhua theem?
Cov xwm txheej no tuaj yeem muab faib ua ob qhov tseem ceeb: interphase (hauv nruab nrab ntawm kev sib faib theem ua pawg G1 theem, S theem, G2 theem), thaum lub xov tooj ntawm tes tsim thiab ua nrog nws cov haujlwm metabolic; mitotic theem (M mitosis), thaum lub sij hawm lub cell yog replicating nws tus kheej