Cov txheej txheem:
- Electrons tuaj qhov twg hauv photosynthesis?
- Lub luag haujlwm ntawm electrons hauv photosynthesis yog dab tsi?
- Puas electrons tshem tawm thaum lub sijhawm photosynthesis?
- Yuav ua li cas electrons ntws hauv photosynthesis?
Video: Puas yog electrons tsim nyob rau hauv photosynthesis?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Lub teeb pom kev ntawm photosynthesis siv lub zog los ntawm photons mus rau tsim hluav taws xob hluav taws xob siab (Daim duab 19.2). Cov electrons no tau siv ncaj qha los txo NADP+ rau NADPH thiab siv ncaj qha los ntawm cov saw hlau xa hluav taws xob los ua kom muaj zog proton-mob siab hla ib daim nyias nyias.
Electrons tuaj qhov twg hauv photosynthesis?
Nyob rau hauv (a) photosystem II, cov electron los ntawm kev sib cais ntawm cov dej, uas tso pa oxygen raws li cov khoom pov tseg. Hauv (b) photosystem I, cov hluav taws xob los ntawm chloroplast electron thauj sawOb lub photosystems nqus lub zog los ntawm cov protein uas muaj cov xim, xws li chlorophyll.
Lub luag haujlwm ntawm electrons hauv photosynthesis yog dab tsi?
Chloroplast ua lub luag haujlwm tseem ceeb hauv cov txheej txheem ntawm photosynthesis. Kawm txog photosynthesis lub teeb pom kev nyob rau hauv lub grana thiab thylakoid daim nyias nyias thiab tsaus cov tshuaj tiv thaiv nyob rau hauv lub stroma. Cov hluav taws xob hloov hluav taws xob ntawm lub teeb pom kev muab lub zog rau kev sib txuas ntawm ob lub tebchaw tseem ceeb rau qhov tsaus ntuj nti: NADPH thiab ATP.
Puas electrons tshem tawm thaum lub sijhawm photosynthesis?
Muaj ob txoj hauv kev ntawm kev hloov hluav taws xob. Nyob rau hauv cyclic electron hloov, electrons yog tshem tawm los ntawm ib qho kev zoo siab chlorophyll molecule, dhau los ntawm cov khoom siv hluav taws xob thauj mus rau lub twj tso kua mis proton, thiab rov qab mus rau chlorophyll.
Yuav ua li cas electrons ntws hauv photosynthesis?
Txoj kev ntawm electron ntws pib ntawm photosystem II, uas yog homologous mus rau photosynthetic cov tshuaj tiv thaiv chaw ntawm R. … Plastoquinone nqa electrons los ntawm photosystem II mus rau lub cytochrome bf complex, nyob rau hauv uas electrons pauv mus rau plastocyanin thiab ntxiv protons yog. Pumped rau hauv thylakoid lumen.
Pom zoo:
Nyob rau hauv cov nroj tsuag ntawm cuscuta qhia siab tshaj plaws photosynthesis nyob rau hauv?
Yuav kom nqus cov xim xiav ntawm lub teeb hauv qhov ntau tshaj plaws, qhov siab tshaj plaws ntawm photosynthesis tshwm sim hauv red light. Yog li, lo lus teb raug yog, 'Lub teeb liab' . Qhov twg ntawm cov nroj tsuag cuscuta ua photosynthesis?
Nyob rau hauv inflorescence paj yog tsim nyob rau hauv basipetal kev txiav txim?
In cymose inflorescence, paj tau teem rau hauv kev txiav txim basipetal. Nyob rau hauv basipetal kev txiav txim, cov laus paj muaj nyob rau ntawm lub apex thaum hluas paj nyob rau hauv lub hauv paus . Nyob rau hauv hom inflorescence Lub paj tau yug hauv Basipetal kev txiav txim?
Nyob rau hauv oxygenic photosynthesis dej yog?
Nyob rau hauv oxygenic photosynthesis dej yog oxidized nrog lub zog ntawm lub hnub ci absorbed thiab C02 txo mus rau qib ntawm lub zog-nplua nujcarbohydrates. Cov txheej txheem no yog qhov tseem ceeb tshaj plaws lub zog hloov pauv hauv ntiaj teb thiab yog li lub hauv paus ntawm lub neej.
Nyob rau hauv chloroplast qab zib yog tsim nyob rau hauv ib tug compartment hu ua lub?
3. stroma - Cov kua dej ntom ntom hauv cov chloroplast uas nyob ib puag ncig lub thylakoid daim nyias nyias thiab koom nrog hauv kev sib txuas ntawm cov organic molecules los ntawm carbon dioxide thiab dej. Qab zib yog tsim nyob rau hauv lub stroma los ntawm cov enzymes ntawm Calvin voj voog Calvin cycle Calvin cycle, Calvin-Benson-Bassham (CBB) cycle, reductive pentose phosphate cycle (RPP cycle) los yog C3 cycle yog series ntawm biochemical redox cov tshuaj tiv thaiv uas ts
Nyob rau hauv teb rau qhov tuaj txog ntawm acidic chyme nyob rau hauv lub duodenum?
Pab plab hnyuv . theem plab hnyuvtshwm sim hauv duodenum raws li cov lus teb rau cov chyme tuaj txog, thiab nws txo qis kev ua pa ntawm plab los ntawm cov tshuaj hormones thiab lub paj hlwb reflexes . Yuav ua li cas teb rau qhov tuaj txog ntawm acidic chyme hauv duodenum?