auxin distributions yog lub luag haujlwm rau cov lus teb phototropic-i.e., kev loj hlob ntawm cov nroj tsuag xws li cov lus qhia tua thiab tawm mus rau lub teeb. Qee qhov xwm txheej auxin tuaj yeem raug rhuav tshem ntawm sab illuminated, thiab sab unilluminated nrog ntau auxin elongates, ua rau tua khoov rau lub teeb.
Cov tshuaj hormones twg yog lub luag haujlwm rau phototropism quizlet?
Cov ntsiab lus hauv cov txheej no (7)
Kawm xaus tias, cov tshuaj lom neeg lub luag haujlwm rau phototropism yog ib yam tshuaj uas nws hu ua auxin. Auxin yog lub ntsiab lus rau txhua yam tshuaj uas txhawb cov noob elongation (txawm hais tias auxins muaj ntau yam haujlwm hauv cov paj ntoo).
Yuav ua li cas cov tshuaj hormones yog lub luag haujlwm rau cog rau hnub ci?
Raws li peb paub los ntawm saib cov nroj tsuag ntawm windowsill, lawv loj hlob mus rau lub hnub ci kom muaj peev xwm tsim lub zog los ntawm photosynthesis. Tam sim no ib pab neeg thoob ntiaj teb ntawm cov kws tshawb fawb tau muab kev nkag siab meej rau hauv kev tsav tsheb tom qab lub zog no - cov tshuaj cog qoob loo auxin.
YPuas yog phototropism yog tsob nroj hormone?
Auxins | Rov qab mus rau sab saum toj Auxin yog cov tshuaj cog qoob loo uas tsim nyob rau hauv cov qia taub uas txhawb nqa cell elongation. … Qhov no ua rau ib qho curving ntawm cov nroj tsuag qia mus rau lub teeb, ib tsob nroj txav hu ua phototropism. Auxin kuj tseem ua lub luag haujlwm hauv kev tswj hwm apical dominance.
Phototropism cuam tshuam li cas rau kev loj hlob ntawm tsob ntoo?
Nyob rau hauv phototropism ib tsob nroj khoov los yog loj hlob directionally teb rau lub teeb. Kev tua feem ntau txav mus rau qhov kaj; cov hauv paus hniav feem ntau txav deb ntawm nws. Nyob rau hauv photoperiodism flowering thiab lwm yam kev loj hlob txheej txheem yog tswj nyob rau hauv teb rau lub photoperiod, los yog hnub ntev.
