2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Sib piv thiab sib piv cov haujlwm ntawm phab ntsa ntawm tes rau kev ua haujlwm ntawm plasma membrane. Lub folding nce thaj tsam qhov chaw tshuaj lom neeg tshwm sim. … Muab lub npe hu ua organelle uas muaj daim nyias nyias nyias. Piv txwv li: endoplasmic reticulum thiab mitochondria.
Dab tsi yog qhov zoo ntawm kev muaj daim nyias nyias?
Cov folding ntawm lub puab daim nyias nyias nce thaj chaw sab hauv lub organelle. Txij li thaum muaj ntau yam tshuaj tiv thaiv tshwm sim nyob rau hauv daim nyias nyias, qhov chaw saum npoo ntawm qhov chaw ua rau ntau qhov chaw rau kev tshwm sim.
Vim li cas nws thiaj li ua tau zoo tshaj plaws rau cov hlwb kom muaj daim nyias nyias?
Qhov chaw rau qhov ntim piv (SA:V) yog qhov piv ntawm thaj tsam ntawm daim nyias nyias thiab qhov loj ntawm lub cell / organelle. Nws tseem ceeb heev rau tuav lub siab SA:Vvim qhov no ua tau zoo dua. Qhov no yog vim hais tias cov kuab tshuaj muaj me me rau kev mus ncig thiab ntau thaj chaw ntawm daim nyias nyias mus ncig.
Dab tsi yog qhov zoo ntawm kev muaj daim nyias nyias es tsis yog daim nyias nyias sab hauv?
Lub folds tso cai rau thaj tsam ntau dua rau cov tshuaj lom neeg uas tshwm sim thoob plaws hauv daim nyias nyias. Sab hauv daim nyias nyias ntawm mitochondria thiab chloroplasts yog folded rau hauv ntau yam kev npaj.
Cov qauv puas tsis muaj daim nyias nyias?
Cell Structures: Piv txwv nqe lus nug 5
Lawv lack membrane-bound organelles (xws limitochondria) thiab muaj thaj tsam nucleoid es tsis txhob muaj cov membrane-bound nucleus. … Ib qhov sib txawv ntawm cov hlwb prokaryotic thiab eukaryotic yog lub koom haum thiab khaws cov khoom siv caj ces.
Pom zoo:
Puas yog hmoov txhuv nplej siab dhau ntawm daim nyias nyias?
Starch tsis dhau los ntawm cov khoom siv hluavtaws xaiv permeable daim nyias nyiasvim tias cov hmoov txhuv nplej siab loj dhau los ua kom haum rau ntawm lub qhov hws ntawm lub tshuab lim dej. Hauv qhov sib piv, cov piam thaj, iodine, thiab dej molecules me me dhau los ntawm daim nyias nyias.
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Vim li cas nyias nyias siv rau xim?
Cov xim pleev xim yog cov kuab tshuaj uas tuaj yeem yaj cov xim thiab txo cov viscosity ntawm cov ximlossis "nyias" nws siv rau hauv cov tshuaj tsuag tsuag lossis thaum tsuas yog xav tau cov sib tov sib xyaw ua haujlwm nrog. Vim hais tias lawv yaj cov xim lawv pab tshem tawm cov xim ntawm cov txhuam hniav, cov chais thiab kev ntxuav ntawm cov nchuav los yog splatters.
Cov sterols cuam tshuam li cas ntawm daim nyias nyias?
Sterols yog qhov tseem ceeb hauv txhua lub cell eukaryotic. Sterols txo cov membrane fluidity thiab permeability, thiab ua kom daim nyias nyias rigidity thiab lub zog. sterols pab tswj cov kua dej ntawm daim nyias nyias li cas? Cov roj (cholesterol) ua raws li kev tswj hwm bidirectional ntawm membrane fluidity vim hais tias ntawm kub kub, nws stabilizes daim nyias nyias thiab nce nws melting point, whereas ntawm qis kub nws intercalates ntawm phospholipids thiab tiv
Thaum twg nyias nyias nyias nyias?
Nws yog ib qho tseem ceeb kom nyias nyias ua ntej cov hauv paus hniav yuav nqaij, feem ntau ua ntej cov nroj tsuag tau txais lawv cov nplooj thib ob. Yog hais tias koj tsis nyias koj cov yub thiab cov hauv paus hniav loj hlob ze ua ke, cov nroj tsuag tuaj yeem ua stunted thiab cov hauv paus hniav yuav me me thiab distorted.
