Video: Dab tsi liab peb feem ntau cuam tshuam nrog?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Puas tau txij li thaum cov kws tshawb fawb tau ua raws cov genome hauv xyoo 2005, lawv tau paub tias tib neeg sib koom txog 99% ntawm peb cov DNA nrog chimpanzees, ua rau lawv peb cov txheeb ze nyob ze.
Kuj tseem paub yog, twg apes ze tshaj rau tib neeg?
Nrog rau qhov sib chimpanzee , bonobo yog qhov ze tshaj plaws extant txheeb ze rau tib neeg.
Ib sab saum toj no, tib neeg thiab cov liab puas sib koom ua poj koob yawm txwv? Tib neeg thiab liab yog ob leeg cov primates . Tab sis tib neeg tsis nqis los ntawm liab los yog lwm yam primate nyob niaj hnub no. Peb ua share ape yawg koob nrog chimpanzees. Nws nyob nruab nrab ntawm 8 thiab 6 lab xyoo dhau los.
Tsis tas li ntawd, tib neeg thiab cov liab muaj qhov sib xws li cas?
Nyob Primates Tib neeg yog primates -ib pab pawg sib txawv uas suav nrog qee 200 hom. Vim primates yog hais txog, lawv yog caj ces zoo sib xws. Tib neeg DNA, qhov nruab nrab, 96% zoo ib yam rau DNA ntawm peb cov kwv tij nyob deb tshaj plaws, thiab ze li ntawm 99% zoo ib yam rau peb cov txheeb ze ze tshaj plaws, chimpanzees thiab bonobos.
Tib neeg puas koom DNA nrog txiv tsawb?
Thiab thaum lub qe-ntws thiab feathered lub cev yog zoo nkauj txawv ntawm ib tib neeg , kwv yees li 60 feem pua ntawm cov noob qaib muaj a tib neeg gene sib. Txawm txiv tsawb kuj ceeb tias tseem qhia txog 60 feem pua ntawm tib yam DNA raws li tib neeg.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm cov rog yuav cuam tshuam rau kev sib cuam tshuam ntawm cov dej molecules?
1 Teb. Qhov tseeb, dej muaj tag nrho peb hom kev sib xyaw ua ke, nrog qhov muaj zog tshaj plaws yog hydrogen bonding. Txhua yam muaj London dispersion yuam cov kev sib cuam tshuam tsis muaj zog yog ib ntus dipoles uas tsim los ntawm kev hloov ntawm electrons nyob rau hauv ib lub molecule
Dab tsi yog Qhov Ib Feem Cuam Tshuam ntawm cov khoom hydrogen hauv cov methane ch4 yog dab tsi?
Cov feem pua ntawm cov ntsiab lus los ntawm Element Element Symbol Mass Percent Hydrogen H 25.132% Carbon C 74.868%
Dab tsi yog qhov txawv ntawm kev cuam tshuam kev cuam tshuam thiab kev cuam tshuam cuam tshuam?
Paub qhov txawv ntawm kev cuam tshuam kev tsim kho thiab kev cuam tshuam puas tsuaj. Kev tsim kev cuam tshuam tshwm sim thaum lub crests ntawm ob nthwv dej ntxiv ua ke. Kev cuam tshuam kev puas tsuaj tshwm sim thaum lub crest ntawm ib yoj raug txo los ntawm lub trough ntawm lwm tus
Dab tsi yog qee qhov piv txwv ntawm kev cuam tshuam tsis zoo ntawm tib neeg ib puag ncig kev cuam tshuam?
Kev ua liaj ua teb tuaj yeem cuam tshuam tsis zoo rau peb ib puag ncig, suav nrog kev poob ntawm biodiversity, dej paug, kev hloov pauv huab cua, av yaig thiab muaj kuab paug
Qhov twg ntawm cov ntsiab lus hauv qab no feem ntau pom nyob rau hauv feem ntau cov chiv?
Cov tshuaj chiv niaj hnub suav nrog ib lossis ntau tshaj ntawm peb lub ntsiab lus tseem ceeb tshaj plaws hauv cov zaub mov noj: nitrogen, phosphorus, thiab potassium. Qhov tseem ceeb thib ob yog cov ntsiab lus sulfur, magnesium, thiab calcium