Video: Vim li cas qhov chaw saum npoo rau qhov sib piv ntawm qhov tseem ceeb?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Qhov chaw thaj tsam rau qhov ntim piv yog tseem ceeb vim tias, raws li lub hnub nyoog ntawm tes thiab tsim cov khoom tseem ceeb xws li cov proteins nws loj tuaj. Cell tau loj dua, yog li ntawd ntim tau loj dua, tab sis hmoov tsis zoo li ntim , thaj chaw saum npoo ntawm lub cell tsis tau loj uas sai sai.
Hais txog qhov no, vim li cas qhov chaw saum npoo rau qhov sib piv ntawm qhov tseem ceeb rau cov hlwb?
Cov tseem ceeb point yog tias qhov thaj chaw saum npoo mus rau ntim ratio tau me dua li cov cell tau loj dua. Yog li ntawd, yog hais tias tus cell loj hlob dhau ib qho kev txwv, cov khoom siv tsis txaus yuav tuaj yeem hla cov membrane sai txaus kom haum rau qhov nce cellular ntim . Yog vim li cas hlwb me me li ntawd.
Ib sab saum toj no, vim li cas thaj chaw saum npoo tseem ceeb? Kev nkag siab ntawm thaj chaw saum npoo yog tseem ceeb mus rau tus kws kho mob vim hais tias cov tshuaj lom neeg tshwm sim ntawm cov khoom nyob rau hauv nto ntawm tej pawg. Qhov loj ntawm lub thaj chaw saum npoo play ib tseem ceeb lub luag haujlwm hauv kev txiav txim siab tus nqi ntawm cov tshuaj tiv thaiv tshuaj. Qhov loj dua thaj chaw saum npoo , qhov ceev ntawm cov tshuaj tiv thaiv.
Tom qab ntawd, vim li cas qhov chaw saum npoo av rau qhov sib piv qis qis?
1 Teb. Cell loj hlob ua rau thaj tsam thaj tsam rau qhov ntim piv rau txo . Qhov no yog vim hais tias, raws li ib tug cell loj hlob, lub ntim ntawm tes (nws cov ntsiab lus sab hauv) nce nrawm dua li nws thaj chaw saum npoo (nws cell membrane). Qhov no yog vim li cas hlwb thiaj li me me.
Qhov ratio ntawm qhov chaw rau ntim yog dab tsi?
Cov thaj tsam thaj tsam rau qhov ntim piv ntawm ib yam khoom yog kev sib raug zoo ntawm ob qhov kev ntsuas. Nws yog tus piv ntawm Deg cheeb tsam rau ntim . Nws qhia qhov sib piv ntawm qhov loj ntawm sab nraud ntawm ib yam khoom thiab tus nqi hauv. Cov khoom me me lossis nyias nyias muaj qhov loj thaj chaw saum npoo piv rau cov ntim.
Pom zoo:
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm lub voos xwmfab?
Rau qhov cubes me dua qhov no, thaj chaw saum npoo yog ntau dua piv rau qhov ntim ntau dua li nws nyob hauv qhov loj dua (qhov ntim ntau dua piv rau thaj chaw saum npoo). qhia meej meej tias raws li qhov loj ntawm ib yam khoom nce (tsis hloov pauv), qhov piv txwv no txo qis
Dab tsi yog qhov hloov pauv kev sib raug zoo ntawm ntim thiab thaj chaw saum npoo raws li qhov khoom loj dua?
Raws li lub voos xwmfab loj zuj zus los yog lub xov tooj ntawm tes tau loj dua, ces thaj tsam ntawm qhov ntim rau qhov sib piv - SA: V piv txo. Thaum ib yam khoom / cell me me, nws muaj thaj tsam loj rau qhov ntim piv, thaum lub khoom loj / cell muaj thaj tsam me me rau qhov ntim piv
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
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm ib lub sphere?
Rau ib tug kheej kheej, qhov chaw saum npoo yog S = 4 * Pi * R * R, qhov R yog lub vojvoog ntawm tus kheej thiab Pi yog 3.1415 Qhov ntim ntawm ib puag ncig yog V = 4 * Pi * R * R * R / 3. Yog li rau ib tug kheej kheej, qhov sib piv ntawm thaj chaw rau ntim yog muab los ntawm: S / V = 3 / R
Dab tsi yog qhov tseeb ntawm thaj chaw saum npoo rau qhov sib piv ntawm cov kab mob nyob?
Raws li qhov loj ntawm lub cev nce, nws thaj chaw saum npoo mus rau qhov sib piv qis. Qhov no txhais tau hais tias nws muaj qhov tsawg dua qhov chaw muaj rau cov khoom sib txawv, yog li tus nqi ntawm diffusion yuav tsis nrawm txaus kom tau raws li nws cov kev xav tau ntawm cov hlwb