2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thaum lub sijhawm muaj cov tshuaj tiv thaiv catalytic cov hauv qab no tshwm sim: 1) Substrate yog covalently khi thiab taw qhia nrog qhov sib thooj rau qhov chaw seem seem. 2) Tus nqi tsis zoo ua rau ntawm lub substrate thiab ruaj khov. 3) Oxidation ntawm enzyme ua raws li kev txo qis kom ua tiav lub voj voog catalytic.
Yuav ua li cas tshwm sim hauv cov tshuaj tiv thaiv catalyzed?
Txhawm rau ua kom cov tshuaj tiv thaiv, ib qho enzyme yuav lob rau (khi) rau ib lossis ntau dua reactant molecules. … Qhov no tsim cov enzyme-substrate complex. Cov tshuaj tiv thaiv ces tshwm sim, hloov lub substrate rau hauv cov khoom thiab tsim cov khoom enzyme complex. Cov khoom tom qab ntawd tawm ntawm qhov chaw nquag ntawm cov enzyme.
Yuav ua li cas hauv chav kawm ntawm cov tshuaj tiv thaiv enzyme catalysed?
Enzymes yog cov khoom siv roj ntsha. Catalysts txo qis lub zog ua kom muaj kev cuam tshuam. Qhov qis dua lub zog ua kom muaj zog rau cov tshuaj tiv thaiv, qhov nrawm dua. Yog li enzymes ceev cov tshuaj tiv thaiv los ntawm kev ua kom lub zog qis.
Cov tshuaj tiv thaiv enzyme catalytic yog dab tsi?
Enzyme catalysis yog nce tus nqi ntawm cov txheej txheem los ntawm cov khoom siv roj ntsha, "enzyme". Feem ntau cov enzymes yog cov proteins, thiab feem ntau cov txheej txheem no yog tshuaj lom neeg. … Enzymes feem ntau yog qhov tshwj xeeb thiab ua rau qee qhov substrates.
Yuav ua li cas thaum muaj cov tshuaj tiv thaiv enzyme catalyzed nyob rau hauv equilibrium?
Hauv luv luv, enzymes tsis hloov lub xeev sib npaug ntawm cov tshuaj tiv thaiv biochemical. ΔG0 thiab Keq tseem zoo li qub. Hloov chaw, lub enzyme txo qis lub zog ua kom xav tau rau cov tshuaj tiv thaiv mus, thiab yog li nce tus nqi ntawm cov tshuaj tiv thaiv.
Pom zoo:
Cov tshuaj tiv thaiv dab tsi rau kev txhaj tshuaj tiv thaiv thib ob?
Cov tshuaj tiv thaiv COVID-19 thib ob yog dab tsi? Cov kev mob tshwm sim feem ntau tom qab koob thib ob yog qhov mob ntawm qhov chaw txhaj tshuaj (92.1% tshaj tawm tias nws kav ntev dua 2 teev); qaug zog (66.4%); mob lub cev lossis leeg nqaij (64.
Cov tshuaj tiv thaiv tam sim no puas tiv thaiv kab mob sib txawv?
2) qhov sib txawv tam sim no yog qhov sib txawv tshaj plaws ntawm COVID-19. Nws yog ze li ob zaug kis tau tus kab mob ua ntej thiab yuav ua rau mob hnyav dua. Txawm hais tias kev tshawb fawb qhia tias cov tshuaj tiv thaiv COVID-19 tsis tshua muaj txiaj ntsig zoo rau qhov sib txawv, cov tshuaj tiv thaiv tseem zoo li muab kev tiv thaiv COVID-19 hnyav.
Puas yog lub cev tiv thaiv kab mob hauv lub cev puas tsim cov tshuaj tiv thaiv?
Lub cev tiv thaiv kab mob tau txais, nrog kev pab los ntawm lub cev hauv lub cev, tsim cov hlwb (tshuaj tiv thaiv kab mob) los tiv thaiv koj lub cev los ntawm ib tus neeg invader tshwj xeeb. Cov tshuaj tiv thaiv no yog tsim los ntawm cov hlwb hu ua B lymphocytes tom qab lub cev tau raug rau cov neeg ua phem.
Thaum lub sijhawm tiv thaiv kev tiv thaiv kev nyab xeeb?
Yuav ua li cas tiv thaiv hypothermia Hnav khaub ncaws sov, ntau txheej nrog kev tiv thaiv tes thiab ko taw zoo (tsis txhob txwv lub dab teg ntau dhau, thom khwm, thiab khau). Hnub sov lub taub hau. … Yog ua tau, hloov khaub ncaws qhuav thaum twg khaub ncaws ntub.
Vim li cas cov tshuaj tiv thaiv combustion yog cov tshuaj tiv thaiv oxidation?
Kev sib xyaw ua ke ib txwm ua rau muaj oxygen lossis huab cua. … Hauv combustion cov tshuaj tiv thaiv oxygen yog ua ke nrog cov roj qhov chaw feem ntau carbon thiab hydrogen raws li ua rau carbon dioxide thiab dej thiab yog li qhov no yog cov tshuaj tiv thaiv oxidation.
