2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev hloov pauv tuaj yeem ua qauv, txhais tau tias nws yog ib feem ntawm lub cev. … Ib qho piv txwv ntawm kev hloov pauv ntawm cov qauv yog txoj kev qee cov nroj tsuag tau hloov mus rau lub neej nyob rau hauv qhuav, kub suab puam. Cov nroj tsuag hu ua succulents tau yoog rau qhov kev nyab xeeb no los ntawm kev khaws dej hauv lawv cov qia luv, tuab thiab nplooj.
5 piv txwv ntawm kev hloov pauv li cas?
- Kev yoog raws.
- Kev coj cwj pwm.
- Camouflage.
- Environment.
- Habitat.
- Tus cwj pwm hauv yug (instinct)
- Nkauj ruam.
- Predator.
4 piv txwv ntawm kev hloov pauv li cas?
Piv txwv suav nrog caj dab ntev ntawm giraffes rau noj nyob rau saum ntoo, lub cev ntawm cov ntses dej thiab cov tsiaj nyeg, cov pob txha ntawm cov noog ya thiab cov tsiaj nyeg, thiab cov ntev daggerlike canine hniav ntawm carnivores.
Yuav ua li cas 3 hom kev hloov pauv nrog piv txwv?
Muaj peb hom kev hloov pauv:
- Kev coj cwj pwm - cov lus teb ua los ntawm cov kab mob uas pab nws kom muaj sia nyob / rov tsim dua.
- Physiological - txheej txheem lub cev uas pab cov kab mob kom ciaj sia / rov tsim dua.
- Structural - ib yam ntawm cov kab mob hauv lub cev uas pab nws ciaj sia / rov tsim dua.
Kev hloov pauv yog dab tsi muab rau kuv 2 piv txwv?
Thaum tib neeg hais txog kev hloov pauv, lawv feem ntau txhais tau tias 'tus yam ntxwv' (tus cwj pwm) uas pab tsiaj lossis nroj tsuag muaj sia nyob. Ib qho piv txwv yog hloov kho ntawmnees cov hniav sib tsoo nyom. Nyom yog lawv cov zaub mov ib txwm; nws hnav cov hniav, tab sis nees cov hniav tseem loj hlob thaum lub neej.
Pom zoo:
Dab tsi yog qhov hloov pauv thiab hloov pauv hloov pauv?
Point mutations hloov ib leeg nucleotide. Frameshift kev hloov pauv yog ntxiv lossis tshem tawm ntawm nucleotides uas ua rau muaj kev hloov pauv hauv kev nyeem ntawv. frameshift thiab point mutation yog dab tsi? Ib qho kev hloov pauv cuam tshuam rau ib khub hauv paus.
Dab tsi yog qhov txawv ntawm qhov piv txwv thiab piv txwv?
Yog lub ntsiab lus tsis yog "literal" (raws li sau), ces nws yog "figurative". Cov lus "Figurative" tuaj yeem suav nrog cov lus piv txwv, cov lus piv txwv, puns, exaggerations (hyperbole), thiab lwm yam. Puas yog piv txwv thiab piv txwv zoo ib yam?
Qhov kev hloov pauv no puas yuav ua rau muaj kev hloov pauv hloov pauv?
Yog li, yog tias muaj kev hloov pauv, piv txwv li, kev ntxig lossis tshem tawm ntawm nucleotide, tshwm sim, qhov no tuaj yeem ua rau kev hloov pauv ntawm kev nyeem ntawv. Nws hloov tag nrho cov amino acid ib ntus. Cov kev hloov pauv no yog hu ua frameshift mutation (tseem hu ua kev nyeem ntawv hloov pauv, nyeem ntawv hloov pauv, lossis framing yuam kev).
Qhov twg yog qhov kev hloov pauv hloov pauv hloov pauv?
Semiconservative replication piav qhia txog cov txheej txheem ntawm DNA replication nyob rau hauv tag nrho cov paub hlwb. DNA replication tshwm sim ntawm ntau lub hauv paus pib ntawm kev rov ua dua raws DNA qauv strand. Raws li DNA ob chav helix yog unwound by helicase, replication tshwm sim nyias ntawm txhua tus qauv strand nyob rau hauv antiparallel cov lus qhia.
Qhov kev hloov pauv twg yog xav tias yuav cuam tshuam los ntawm kev hloov pauv hloov pauv?
Dependent Variable Qhov sib txawv uas nyob ntawm lwm yam uas ntsuas. Cov kev hloov pauv no yuav tsum tau hloov pauv raws li qhov kev sim ua haujlwm ntawm tus kheej hloov pauv lossis hloov pauv. Nws yog cov nyhuv presumed. Qhov kev tshawb fawb hloov pauv twg yog qhov tshwm sim?
