2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ploidy, hauv noob caj noob ces, tus naj npawb ntawm chromosomes tshwm sim hauv lub nucleus ntawm lub xovtooj. Nyob rau hauv ib txwm somatic (lub cev) hlwb, cov chromosomes muaj nyob rau hauv khub. Tus mob hu ua diploidy.
Koj pom ploidy li cas?
Ploidy tuaj yeem yog ntsuas los ntawm tus lej chromosome lossis los ntawm kev ntws cytometry siv DNA index (DI), qhov piv ntawm fluorescence hauv leukemic blasts piv rau cov hlwb ib txwm. Cov hlwb diploid ib txwm muaj 46 chromosomes thiab DI ntawm 1.0, cov hlwb hyperdiploid muaj txiaj ntsig ntau dua, thiab cov hlwb hypodiploid qis dua.
lub xeev ploidy yog dab tsi?
Polyploidy yog lub xeev uas txhua lub hlwb muaj ntau pawg chromosomes dhau qhov txheej txheem, feem ntau 3 lossis ntau dua. … Hauv cov nroj tsuag, qhov no feem ntau tshwm sim los ntawm kev sib koom ua ke ntawm meiotically unreduced gametes, thiab tsis yog los ntawm diploid–diploid hybridization ua raws li chromosome ob npaug.
Ploidy qib hauv biology yog dab tsi?
Mloog cov lus. (PLOY-dee) Tus naj npawb ntawm cov chromosomes hauv ib lub xovtooj ntawm tes lossis cov kabmob. Piv txwv li, haploid txhais tau tias ib txheej thiab diploid txhais tau tias yog ob pawg.
ploidy hauv meiosis yog dab tsi?
Ploidy yog ib lo lus hais txog tus lej ntawm cov chromosomes. … Meiosis, ntawm qhov tod tes, txo tus naj npawb ntawm cov chromosomes los ntawm ib nrab, yog li ntawd thaum gametic recombination (fertilization) tshwm sim lub ploidy ntawm cov niam txiv yuav rov tsim dua. Feem ntau cov hlwb hauv tib neeg lub cev yog tsim los ntawmmitosis.
Pom zoo:
Qhov twg ploidy yog mycelium?
Thawj hyphae tsim los ntawm cov kab mob muaj tsuas yog ib daim ntawv ntawm txhua tus ntawm nws cov chromosomes. Yog li, nws yog haploid. Lub resulting mycelium kuj yuav haploid. Thaum ib tug haploid mycelium ntsib lwm haploid mycelium ntawm tib hom, ob mycelia tuaj yeem fuse.
Qhov twg yog qhov pom ib txwm pom thaum percussing thaj tsam plab?
Lub plab plab uas muaj roj ntau ib txwm muaj a tympanitic tympanitic Meteorism. Tshwj xeeb. Gastroenterology. Tympanite yog ib yam mob uas muaj roj ntau ntau hauv plab hnyuv thiab ua rau mob plab. Lo lus yog los ntawm Greek τύμπανο, "nruas"
Qhov twg los saib qhov pom kev tsis pom kev ntawm kev ua?
Koj muaj peev xwm kwj Txoj Kev Tsis Txaus Siab Ntawm Kev Ua los ntawm kev xauj lossis yuav hauv Google Play, Amazon Instant Video, thiab Vudu. Puas yog Qhov Teeb Meem Tsis Muaj Teeb Meem ntawm Kev Ua Hauv Netflix? Saib Qhov Teeb Meem Tsis Muaj Teeb Meem Ntawm Kev Nyob Netflix Hnub no!
Ntawm qhov capillaries pom nyob rau hauv lub cev nyob qhov twg?
Nruam: Cov capillaries no tsis muaj perforations thiab cia tsuas yog me me molecules dhau mus. Lawv tam sim no hauv nqaij, tawv nqaij, rog, thiab paj hlwb. Fenestrated: Cov capillaries no muaj cov pores me me uas tso cai rau cov molecules me los ntawm thiab nyob hauv cov hnyuv, ob lub raum, thiab cov qog endocrine.
Pom pom muaj calcium ntau nyob qhov twg?
Calcium yog nyob ib puag ncig peb. Tus tib neeg nruab nrab muaj kwv yees li 1kg ntawm calcium, ntawm 99% khaws cia hauv peb cov pob txha. Nws yog 5th feem ntau cov khoom nyob rau hauv lub ntiaj teb crust, tshwm sim dav li calcium carbonate uas yog feem ntau hu ua limestone.
