2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Yog ob leeg ntawm gametes tau diploid, lub zygote tsim yuav ces muaj plaub pawg chromosomes yog li nws yuav yog tetraploid es tsis txhob diploid.
Yuav ua li cas yog gametes tau diploid?
Gametes yog tsim los ntawm meiosis uas tsim cov hlwb nrog n=23 es tsis txhob diploid hlwb. Yog tias gametes raug tsim los ntawm mitosis txhua gamete yuav be diploid tsis haploid. Thaum lub sij hawm fertilization ntawm diploid gametes, lub zygote yuav dhau los ua 4n=92. Nrog rau txhua tiam tshiab tus naj npawb ntawm chromosomes yuav ob npaug.
Gametes puas tuaj yeem ua tau diploid?
Lawv kuj raug hu ua kev sib deev hlwb. Poj niam gametes hu ua ova lossis qe hlwb, thiab txiv neej gametes hu ua phev. Gametes yog cov hlwb haploid, thiab txhua lub cell tsuas yog ib daim qauv ntawm txhua tus chromosome. … Thaum lub sij hawm fertilization, ib tug spermatozoon thiab ovum koom ua ke los tsim ib tug tshiab diploid kab mob.
Yuav ua li cas yog tias ob lub hlwb yog diploid?
Diploid piav qhia lub xovtooj ntawm muaj ob daim ntawv theej ntawm txhua tus chromosome. Yuav luag tag nrho cov hlwb hauv tib neeg lub cev muaj ob homologous, lossis zoo sib xws, luam ntawm txhua chromosome. Qhov tsuas yog qhov tshwj xeeb yog cov hlwb hauv kab kab mob, uas mus rau tsim gametes, lossis qe thiab phev hlwb.
Yuav ua li cas yog tias txiv neej thiab poj niam gametes tau diploid?
Yog hais tias gametes ntawm txiv neej thiab poj niam tau diploid ces cov zygote tsim tom qab fusion yuav muaj ob npaug ntawm cov chromosomes ntawm gamete. Qhov no txhais tau tias lub zygote yuav muaj cuaj caum-ob chromosomes. Hauv lwm lo lus, nws yuav yog tetraploid.
Pom zoo:
Puas yog rov tshwm sim dua lossis rov tshwm sim dua?
Reoccur thiab recur yog verbs uas qhia ib lo lus hauv paus. Thaum lawv nyob ze heev ntawm lub ntsiab lus, lawv tsis zoo ib yam. Tej yam uas yog rov tshwm sim dua thiab dhau mus, tej zaum nyob rau ib ntus. Hauv qhov sib piv, ib yam dab tsi uas rov tshwm sim tsuas yog tshwm sim dua tab sis tsis tas yuav rov ua dua.
Yuav tshwm sim lossis tshwm sim?
Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Thaum siv tshwm sim lossis tshwm sim?
Puas tau tshwm sim lossis tshwm sim?
Qhov kev qhia "tshwm sim" tsis tuaj yeem siv qhov khoom ncaj qha, thiab yog li ntawd nws tsis muaj daim ntawv passive, yog li tsis muaj "yog/was/be tshwm sim" tense. Puas tau tshwm sim los yog tshwm sim? Ob daim ntawv yog grammatically raug (tsis sib xws rau kev hais lus ntawm qee cov lus Askiv purists).
Yuav ua li cas txiav txim siab seb qhov kev tshwm sim yog tshwm sim los yog tsis ua raws li txoj cai?
Kev sib xyaw ua lej ntawm kev hloov pauv enthalpy thiab hloov pauv hloov pauv tso cai rau kev hloov pauv ntawm lub zog dawb los suav. A tawm tsam nrog tus nqi tsis zoo rau ΔG tso tawm lub zog dawb thiab yog li nws tus kheej. Cov tshuaj tiv thaiv nrog qhov zoo ΔG yog tsis ua raws li kev xav thiab yuav tsis nyiam cov khoom.
Puas tsis muaj qhov tshwm sim tshwm sim xav tau enzymes?
Tam sim no, enzymes TSIS ua rau cov tshuaj tiv thaiv tsis yog tus kheej. Txawm li cas los xij, enzymes ua kom nrawm nrawm ntawm cov tshuaj tiv thaiv tus kheej. Yeej, lawv ua kom cov tshuaj tiv thaiv sai dua. Enzymes ua qhov no los ntawm kev txo qis kev ua kom lub zog ntawm cov tshuaj tiv thaiv.
