Yog tsis muaj tebchaw, lub neej li peb paub nws nyob ntiaj teb yuav tsis muaj nyob. 1. … Cov tshuaj ib txwm muaj lub cev zoo ib yam li cov khoom uas lawv tau ua.
Puas yog cov sib txuas tsim nyog rau lub neej?
Ib qho chaw pom muaj nyob hauv cov khoom muaj sia yog lub npe hu ua organic compound. Organic compounds ua rau lub hlwb thiab lwm cov qauv ntawm cov kab mob thiab ua cov txheej txheem ntawm lub neej. Carbon yog lub hauv paus tseem ceeb hauv cov organic tebchaw, yog li carbon yog qhov tseem ceeb rau lub neej hauv ntiaj teb. Yog tsis muaj carbon, lub neej raws li peb paub nws yeej tsis muaj.
Cov khoom sib txuas tseem ceeb hauv peb lub neej li cas?
Organic compounds yog ib qho tseem ceeb vim txhua yam muaj sia nyob (redundant) muaj carbon. … Cov pa roj carbon zog voj voog ntawm carbohydrates hauv cov kab mob tab sis kuj nyob rau hauv fossils fuels ua roj av thiab natural gas. Tag nrho cov khoom noj uas peb noj yog cov khoom siv rov ua dua tshiab thiab rho tawm ntawm cov nroj tsuag, tsiaj txhu, kab mob thiab protists.
Puas ua tau lub neej tsis muaj chemistry?
Yog tsis muaj chemistry peb lub neej yuav dull, tsaus, tho txawv, thiab luv. Yog tsis muaj chemistry tib neeg yuav tuag tsawg dua los ntawm cov kab mob xws li kab mob plague, vim peb yuav tsis muaj tshuaj tua kab mob. Peb yuav tsis muaj tshuaj tiv thaiv, yog li cov tib neeg tseem yuav kis mob hnyav xws li kab mob me me thiab polio.
Yuav ua li cas cov ntsiab lus tseem ceeb rau tag nrho lub neej?
Txawm li cas los xij, txhua yam kab mob yog tsim los ntawm tib yam rau qhov tseem ceebCov khoom xyaw: carbon, hydrogen, nitrogen, oxygen, phosphorus thiab sulfur(CHNOPS).
