Video: Dab tsi yog catalase ua los ntawm?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Catalase yog ib qho enzyme uas hloov hydrogen peroxide rau hauv dej thiab cov pa oxygen. Enzymes yog cov protein molecules uas yog tsim ntawm subunits hu ua amino acids. Amino acids zoo ib yam li kev sib txuas hauv cov saw hlau, thaum cov protein zoo ib yam li cov saw nws tus kheej.
Ib yam li ntawd ib tug yuav nug, siv catalase li cas hauv lub cev?
Catalase yog ib qho enzyme uas muaj nyob hauv yuav luag txhua yam kab mob uas muaj sia nyob tau raug oxygen (xws li kab mob, nroj tsuag, thiab tsiaj txhu). Nws catalyzes decomposition ntawm hydrogen peroxide rau dej thiab oxygen. Nws yog ib qho tseem ceeb heev enzyme tiv thaiv lub cell ntawm oxidative puas los ntawm reactive oxygen hom (ROS).
Tsis tas li ntawd, puas yog catalase yog digestive enzyme? Enzymes hauv lub cev Ib txhia cov enzymes pab nrog cov kev zom zaub mov cov zaub mov hauv lub cev, tab sis muaj ntau txhiab ntau yam sib txawv cov enzymes , txhua tus tsim los pab nrog cov tshuaj tiv thaiv tshwj xeeb. Cov enzyme catalase pab tiv thaiv lub cev los ntawm oxidative cell puas tsuaj los ntawm kev rhuav tshem hydrogen peroxide rau dej thiab oxygen.
Kuj paub, vim li cas peb thiaj xav tau catalase?
Catalase yog ib hom enzyme, pom nyob rau hauv yuav luag txhua yam muaj sia nyob. Nws catalyses hydrogen peroxide rau hauv dej thiab oxygen thiab tiv thaiv kab mob los ntawm cov dawb radicals Nws kuj muaj kev lag luam siv los tiv thaiv qee yam kab mob hauv cov zaub mov thiab ua tshuaj tua kab mob rau cov lo ntsiab muag thiab cov tshuaj ntxuav hauv qee yam khoom.
Qhov twg catalase pom nyob rau hauv lub cev?
Pom tau feem ntau hauv cov kab mob uas nyob hauv lub xub ntiag ntawm oxygen, catalase tiv thaiv cov tsub zuj zuj ntawm thiab tiv thaiv cellular organelles thiab cov ntaub so ntswg los ntawm kev puas tsuaj los ntawm peroxide, uas yog tsis tu ncua tsim los ntawm ntau yam metabolic tshua. Hauv cov tsiaj txhu, catalase yog pom feem ntau nyob rau hauv lub siab.
Pom zoo:
Dab tsi yog cov hlau nplaum uas ua los ntawm qhov kev npaj ntawm electrons yog dab tsi?
Electrons yog teem rau hauv plhaub thiab orbitals nyob rau hauv ib tug atom. Yog hais tias lawv sau lub orbitals kom muaj ntau spin taw tes rau hauv qab (los yog vice versa), txhua atom yuav ua zoo li ib tug me me hlau nplaum. Thaum ib daim ntawm cov hlau tsis muaj hlau nplaum (lossis lwm yam khoom siv ferromagnetic) raug rau sab nraud magnetic teb, ob yam tshwm sim
Dab tsi yog qhov flux los ntawm lub voos xwmfab ntawm sab yog tias tus nqi ntawm Q yog ntawm ib qho ntawm nws lub ces kaum?
Raws li peb paub tias, tag nrho cov flux los ntawm tus nqi q yog q / ε 0 (Gauss txoj cai). Yog hais tias tus nqi yog nyob rau ntawm lub ces kaum ntawm lub voos xwmfab, ib co ntawm cov flux nkag mus rau hauv lub voos xwmfab thiab tawm los ntawm ib co ntawm nws lub ntsej muag. Tab sis qee qhov flux tsis nkag mus rau hauv lub voos xwmfab. Qhov 1/8th no yuav muab faib ua 3 ntu dua
Dab tsi yog txhais los ntawm lub sij hawm dissociation thiab dab tsi yog ib qho piv txwv ntawm cov khoom uas dissociates?
Dissociation, nyob rau hauv chemistry, sib cais ntawm ib yam khoom mus rau hauv atoms los yog ions. Thermal dissociation tshwm sim ntawm qhov kub thiab txias. Piv txwv li, hydrogen molecules (H 2) dissociate rau hauv atoms (H) ntawm kub heev; ntawm 5,000 ° K txog 95% ntawm cov molecules hauv cov qauv ntawm hydrogen yog dissociated rau hauv atoms
Dab tsi yog qhov txawv ntawm instantaneous thiab nruab nrab ceev dab tsi yog qhov piv txwv loj tshaj ntawm kev ceev ceev?
Qhov nruab nrab ceev yog qhov ceev nruab nrab ntawm lub sijhawm. Instantaneous ceev yuav yog qhov ceev txhua qhov muab tam sim ntawd hauv lub sijhawm ntawd, ntsuas nrog lub ntsuas ntsuas lub sijhawm
Dab tsi yog qhov txawv ntawm microevolution thiab macroevolution Dab tsi yog qee qhov piv txwv ntawm txhua tus?
Microevolution vs. Macroevolution. Piv txwv ntawm cov kev hloov microevolutionary no yuav suav nrog kev hloov ntawm hom xim lossis loj. Macroevolution, piv txwv li, yog siv los hais txog kev hloov pauv ntawm cov kab mob uas tseem ceeb txaus uas, dhau sijhawm, cov kab mob tshiab yuav raug suav tias yog hom tshiab nkaus xwb