Vim li cas cytokinin tseem ceeb?

Cov txheej txheem:

Vim li cas cytokinin tseem ceeb?
Vim li cas cytokinin tseem ceeb?
Anonim

Nws tau lees paub tias cytokinins yog cov tshuaj hormones cog uas cuam tshuam tsis yog ntau heev yam ntawm cov nroj tsuag kev loj hlob, kev loj hlob thiab lub cev nqaij daim tawv, suav nrog kev faib tawm ntawm tes, chloroplast sib txawv thiab qeeb ntawm senescence tab sis Kev sib cuam tshuam nrog lwm yam kab mob, suav nrog cov kab mob.

Qhov tseem ceeb tshaj plaws ntawm cytokinin yog dab tsi?

Cytokinins tau tshawb pom raws li qhov tseem ceeb uas txhawb nqa cell faib hauv cov kab lis kev cai luam yeeb (2) thiab tau pom tias tswj hwm ntau lwm yam kev loj hlob, xws li de novo bud tsim, tso tawm. ntawm buds los ntawm apical dominance, nplooj nthuav dav, ncua ntawm senescence, txhawb cov noob germination, thiab chloroplast …

Yuav ua li cas yog qhov tseem ceeb ntawm cytokinin hauv cov kab mob cog qoob loo?

Cytokinins txhawb RNA synthesis thiab txhawb nqa cov protein thiab enzyme kev ua haujlwm hauv cov ntaub so ntswg. Kinetin thiab benzyl-aminopurine yog cov nquag siv cytokinins hauv cov kab lis kev cai ntawm cov nroj tsuag. Gibberellins feem ntau yog siv los ua kom cov nroj tsuag tsim los ntawm adventive embryos tsim nyob rau hauv kab lis kev cai.

Cytokinin yog dab tsi hauv tib neeg lub cev?

Cytokinins yog cog cov tshuaj hormones thiab ua lub luag haujlwm tseem ceeb hauv kev tswj cov nroj tsuag kev loj hlob thiab kev loj hlob. Lawv kuj muaj ntau yam tshuaj muaj txiaj ntsig hauv cov tsiaj thiab tib neeg. … Cytokinin ribosides inhibit kev loj hlob los yog ua rau apoptosis nyob rau hauv ntau cov kab ntawm tes muab tau los ntawm ntau hom malignancies nrog rau cov uas muaj ib tug mutant p53 noob.

siv dab tsicytokinin yog dab tsi?

Cytokinins yog ib pawg ntawm cog kev loj hlob regulators uas feem ntau koom nrog hauv kev ua haujlwm ntawm tes faib hauv cov cag ntoo, tua kab. Cov tshuaj no pab txhawb txoj kev loj hlob ntawm tes, kev loj hlob, kev sib txawv, cuam tshuam rau apical dominance thiab ncua ntawm nplooj senescence.

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