A. Cytokinin B. Abscisic acid C. Ethylene D. Salicylic acid 相关知识点: 试题来源: 解析 C。解析:乙烯(Ethylene)主要负责果实的成熟(ripening of fruits)。在语法方面,这是一个关于植物激素与功能对应的问题。A选项细胞分裂素主要作用于细胞分裂等功能;B选项脱落酸主要与植物的休眠等有关;D选项水杨酸与植物...
Cytokinin (CK) is an important plant hormone that promotes plant cell division and differentiation, and participates in salt response under osmotic stress. LOGs (LONELY GUY) are CK-activating enzymes involved in CK synthesis. The LOG gene family has not been comprehensively characterized in cotton....
The hormone which can break seed dormancy is (a) Auxin (b) Gibberellin (c) Ethylene (d) Cytokinin View Solution Hormone that inhibits the plant metabolism and seed germination. View Solution Spraying of conifers with which hormone hastens the maturity period and thus leading to early seed produ...
Cytokinin regulates PIN activity in at least two ways: first transcriptionally, and second by promoting the degradation of PIN1 in regenerating root tissue (Marhavý et al., 2011). This second effect potentially regulates the polarity of PIN proteins in developing LRs (Marhavý et al., 2014...
- Kinetin: This is a type of cytokinin, a plant hormone that promotes cell division and is crucial in tissue culture for stimulating cell multiplication. It is particularly important in callus culture, where it helps in the formation of new plant tissues. - Ethylene: This hormone is primarily...
Coconut water (the liquid endosperm which was previously called coconut milk) is now known to contain cytokinin, a plant hormone that induces cell division. The addition of coconut water in the culture medium made a difference compared to Haberlandt and other researchers. ...
The plant hormone group the cytokinins has been implicated in the delay of senescence, and so the aim of this work was to investigate the link between cytokinin levels in ripening fruit and chlorophyll de-greening.Methods The expression of genes related to cytokinin metabolism and signal ...
The flavoenzyme cytokinin dehydrogenase (CKX) catalyzes an irreversible deactivation of plant hormones cytokinins through oxidative cleavage of the cytokinin side chain to yield adenine or adenosine and an aldehyde. In the catalytic cycle of CKX, the cytokinin-reduced flavin cofactor is reoxidized by ...
Plant hormones belong to two groups depending on their down- stream cascade: whereas auxin, gibberellic acid and jasmonic acid are perceived by specific receptors and trans- mitted through selective proteolysis, abscisic acid, cytokinin and brassinosteroids are perceived by cytoplasmic and/or membrane-...
In contrast to auxin, up to a certain threshold, anthocyanin production is enhanced with increasing cytokinin (CK) concentration (Das et al., 2012; Wang et al., 2019). Metabolomic and transcriptomic analyses revealed constitutive reprogramming of the FB in CK-signalling mutants (Abdelrahman et al...