Video: Cov kab mob dab tsi tshwm sim los ntawm cov tshuaj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Piv txwv ntawm ODs irreversible tshwm sim los ntawm cov tshuaj muaj xws li mob qog noj ntshav, silicosis, thiab asbestosis. Muaj ntau txoj hauv kev tshuaj ua tau ua rau ua mob los yog kab mob nyob rau hauv tib neeg. Irritants (piv txwv li, isopropyl cawv, acetone) tsim cov kev hloov pauv ntawm daim tawv nqaij, qhov muag, lossis cov mucous ntawm cov kab mob ua pa.
Ua raws li qhov no, vim li cas cov tshuaj muaj kev phom sij rau tib neeg kev noj qab haus huv?
Tshuaj tuaj yeem tawg. Lawv tuaj yeem ua rau cov kav dej, cov ntses lom thiab ua rau cov ntoo thiab lwm yam nroj tsuag puas. Tshuaj kuj tuaj yeem ua mob rau noj qab haus huv ntawm tib neeg tsiaj txhu. Tau ntau pua xyoo, tib neeg tau paub tias arsenic yog tshuaj lom, uas mercury ua rau lub paj hlwb puas thiab cov thee thiab paj rwb plua plav ua rau mob ntsws.
Tsis tas li ntawd, yuav ua li cas yog tias koj noj tshuaj? Ib qho kev phom sij tshuaj yuav tsum nkag mus rau hauv koj lub cev ua koj mob. Ua phem tshuaj muaj peev xwm nkag rau hauv koj lub cev yog koj ua pa, noj , los yog haus lawv los yog yog lawv yog absorbed los ntawm koj daim tawv nqaij. Qee zaum mob tshwm sim nkaus xwb yog koj raug rau ib qho teeb meem rau lub sij hawm ntev.
Yog li ntawd, cov tshuaj yuav ua li cas?
Ib txhia tshuaj ua puas rau koj daim tawv nqaij, ib co tshuaj muaj peev xwm ua pa thiab ua rau koj lub ntsws puas, thiab qee qhov tshuaj muaj peev xwm nkag mus rau hauv koj lub cev (los ntawm koj daim tawv nqaij los yog thaum koj ua pa rau hauv) thiab ua rau koj lub cev puas tsuaj (xws li koj lub hlwb, lub plawv, daim siab, thiab ob lub raum).
Dab tsi yog qhov cuam tshuam ntawm cov tshuaj rau tib neeg?
Kev huam yuaj lossis siv tsis raug ntawm tsev neeg tshuaj cov khoom yuav ua rau muaj kev noj qab haus huv tam sim ntawd teebmeem , xws li tawv nqaij lossis qhov muag khaus lossis kub hnyiab, lossis lom. Kuj tseem muaj kev noj qab haus huv mus ntev teebmeem los ntawm tshuaj . Thaum cov no tshwm sim, lawv feem ntau yog tshwm sim los ntawm kev raug rau qee yam tshuaj dhau lub sij hawm ntev.
Pom zoo:
Cov tshuaj tua kab mob twg thaiv cov kab mob protein ntau?
Tetracyclins yog ib hom tshuaj tua kab mob uas suav nrog cov thawj tetracycline nrog rau doxycycline thiab minocycline. Cov tshuaj tua kab mob no khi rau A qhov chaw ntawm 30s ribosome, tiv thaiv tRNA los ntawm kev nqa cov amino acids tshiab. Yog tias tRNA tsis tuaj yeem txuas mus rau ribosome, ces tsis muaj cov proteins tshiab tuaj yeem ua tau
Cov kab mob dab tsi tshwm sim los ntawm Nondisjunction?
Nondisjunction ua rau muaj qhov yuam kev ntawm tus lej chromosome, xws li trisomy 21 (Down syndrome) thiab monosomy X (Turner syndrome). Nws kuj yog ib qho ua rau muaj kev rho menyuam ntxov ntxov
Tam sim ntawd yuav siv dab tsi yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom loj tshwm sim ntawm koj cov khaub ncaws?
Tam sim ntawd yuav siv dab tsi yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom ntau tshwm sim ntawm koj cov khaub ncaws? Koj mus ncaj qha rau da dej kev nyab xeeb thiab sawb ntawm tag nrho koj cov khaub ncaws
Dab tsi yog cov kab mob piav qhia cov kab mob ntawm tes hauv kev nthuav dav?
Cov kab mob yog cov prokaryotes, tsis muaj cov nuclei zoo thiab cov kab mob sib txuas ua ke, thiab nrog cov chromosomes tsim los ntawm ib lub voj voog DNA kaw. Lawv tuaj nyob rau hauv ntau yam duab thiab ntau thiab tsawg, los ntawm feeb spheres, cylinders thiab kauv threads, rau flagellated rods, thiab filamentous chains
Vim li cas cov kab mob Gram tsis zoo tshwm liab liab thaum cov kab mob Gram zoo pom ntshav liab?
Gram zoo hlwb stain ntshav vim lawv cov peptotidoglycan txheej yog tuab txaus, txhais tau tias tag nrho cov kab mob Gram zoo yuav khaws lawv cov stain. Gram tsis zoo hlwb stain liab vim lawv muaj ib tug nyias peptidoglycan phab ntsa, thiab lawv yuav tsis khaws ib yam ntawm cov ntshav stain los ntawm crystal violet