2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob hauv cov nroj tsuag, chloroplasts tshwm sim hauv tag nrho cov ntaub so ntswg ntsuab, txawm tias lawv yog cov concentrated tshwj xeeb hauv parenchyma hlwb ntawm nplooj mesophyll. Chloroplast circulate nyob rau hauv cov nroj tsuag. Cov xim ntsuab los ntawm chlorophyll concentrated hauv grana ntawm chloroplasts.
chloroplast nyob qhov twg hauv lub cell?
Chloroplast muaj nyob hauv txhua cov nroj tsuag siab dua. Nws yog oval lossis biconvex, pom hauv mesophyll ntawm cov nroj tsuag cell. Qhov loj ntawm chloroplast feem ntau txawv ntawm 4-6 µm hauv txoj kab uas hla thiab 1-3 µm hauv tuab. Lawv yog ob-membrane organelle nrog lub xub ntiag ntawm qhov chaw sab nrauv, sab hauv thiab intertermembrane.
chloroplast nyob qhov twg hauv tib neeg lub cev?
Tib neeg cov hlwb tsis muaj chloroplasts. Txawm li cas los xij, chloroplasts yog qhov tseem ceeb rau tib neeg lub neej. Cov organelles hauv cov nroj tsuag thiab algae saib xyuas cov pa oxygen hauv ntiaj teb.
Puas yog chloroplast hauv cov nroj tsuag thiab tsiaj txhu?
Chloroplast yog cov khoom noj khoom haus ntawm tes. Cov organelles tsuas yog pom nyob rau hauv cov nroj tsuag hlwb thiab ib co protists xws li algae. Tsiaj hlwb tsis muaj chloroplasts. … Tag nrho cov txheej txheem hu ua photosynthesis thiab nws tag nrho yog nyob ntawm me ntsis ntsuab chlorophyll molecules nyob rau hauv txhua chloroplast.
chloroplast muab piv txwv yog dab tsi?
Ib qho piv txwv ntawm chloroplast yog ib lub xovtooj ntawm algae uas siv cov pa roj carbon dioxide thiab tso pa tawm thaum tsim cov suab thaj.… Lub plastid nyob rau hauv lub hlwb ntawm cov nroj tsuag ntsuab thiab ntsuab algae uas muaj chlorophylls thiab carotenoid pigments thiab tsim cov piam thaj los ntawm photosynthesis.
Pom zoo:
Qhov khoom nyob rau pem hauv ntej ntawm lub lens diverging nyob qhov twg?
Teb: Dav hlau daim iav Dav Hlau Daim iav Rau lub teeb rays tawm lub dav hlau daim iav, lub lub kaum sab xis ntawm kev xav sib npaug ntawm lub kaum sab xis ntawm qhov xwm txheej. … Daim duab tsim los ntawm daim iav dav hlau yog ib txwm virtual (lub ntsiab lus tias lub teeb rays tsis yog los ntawm daim duab), upright, thiab ntawm tib lub duab thiab loj npaum li cov khoom nws yog reflecting.
Qhov chaw ncig tebchaws nyob hauv bhagalpur nyob qhov twg?
Bhagalpur faib lub zos yog ib pawg tswj hwm thaj chaw ntawm Bihar xeev ntawm Is Nrias teb, nrog Bhagalpur ua thawj coj hauv paus chaw haujlwm. Raws li xyoo 2005, qhov kev faib muaj xws li Bhagalpur koog tsev kawm ntawv, thiab Banka koog tsev kawm ntawv thiab nyob rau ntawm ntug dej ntawm Ganga River.
Kev tsis ncaj ncees nyob qhov twg yog qhov hem rau kev ncaj ncees nyob txhua qhov chaw?
Martin Luther King tau hais tias: “Kev tsis ncaj ncees nyob txhua qhov chaw yog kev hem thawj rau kev ncaj ncees nyob txhua qhov chaw. Peb raug ntes nyob rau hauv ib tug inescapable network ntawm kev sib nrig sib pab, khi nyob rau hauv ib lub tsoos tsho ntawm txoj hmoo.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
