Cov txheej txheem:
- Dab tsi txhais ib yam dab tsi ua tshuaj lom?
- Leej twg hais tias txhua yam tshuaj yog tshuaj lom?
- Leej twg xub pom tshuaj lom?
- Koj hu li cas tus neeg muaj tshuaj lom?
Video: Leej twg txhais cov tshuaj lom?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Nyob rau hauv biology, tshuaj lom yog cov khoom uas tuaj yeem ua rau tuag taus, raug mob lossis ua rau lub cev, cov ntaub so ntswg, hlwb, thiab DNA feem ntau yog los ntawm cov tshuaj lom neeg lossis lwm yam dej num ntawm cov nplai molecular, thaum lub cev raug rau qhov ntau txaus. Hauv kev siv cov ntsiab lus dav dav nws yuav xa mus rau txhua yam uas pom tias muaj kev phom sij.
Dab tsi txhais ib yam dab tsi ua tshuaj lom?
(Nkag mus 1 ntawm 3) 1a: ib yam khoom uas los ntawm nws cov tshuaj lom neeg feem ntau tua, raug mob, lossis ua rau lub cev tsis zoo. b(1): ib yam uas puas tsuaj los yog tsim kev puas tsuaj(2): ib yam khoom ntawm kev ntxub ntxaug lossis kev ntxub ntxaug. 2: ib yam khoom uas inhibits qhov kev ua ntawm lwm yam tshuaj los yog cov chav kawm ntawm ib tug tshuaj tiv thaiv los yog txheej txheem catalyst tshuaj lom.
Leej twg hais tias txhua yam tshuaj yog tshuaj lom?
Ntau tshaj 400 xyoo dhau los, Swiss alchemist thiab tus kws kho mob Paracelsus (1493–1541) hais tias: Txhua yam tshuaj yog tshuaj lom; tsis muaj leej twg tsis muaj tshuaj lom. Qhov koob tshuaj zoo sib txawv ntawm cov tshuaj lom los ntawm kev kho.
Leej twg xub pom tshuaj lom?
Tsis zoo li ntau haiv neeg, cov ntaub ntawv ntawm Egyptian kev paub thiab kev siv tshuaj lom tuaj yeem rov qab mus rau kwv yees li 300 BC. Txawm li cas los xij, nws ntseeg tau tias qhov ntxov tshaj plaws Egyptian pharaoh, Menes, tau kawm txog cov khoom ntawm cov nroj tsuag lom thiab venoms, raws li cov ntaub ntawv thaum ntxov.
Koj hu li cas tus neeg muaj tshuaj lom?
Tus kws tshuaj toxicologist yog cov kws paub txog tshuaj lom thiab tshuaj lom.
Pom zoo:
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