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TLS Online TPP Program

#Id: 1514

Most microtubules in a cell consist of a simple tube, a singlet microtubule, built from 13 protofilaments. 

#Unit 2. Cellular Organization #Microtubules #Part B Pointers
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TLS Online TPP Program

#Id: 10180

#Unit 6. System Physiology – Plant
TLS Online TPP Program

#Id: 10181

#Unit 6. System Physiology – Plant
TLS Online TPP Program

#Id: 10182

#Unit 6. System Physiology – Plant

GA3-stimulated a-amylase production by GA-MYB for starch mobilisation in seeds
TLS Online TPP Program

#Id: 10183

#Unit 6. System Physiology – Plant

Brassinosteroids are also required for promotion of cell
elongation by gibberellins, and gibberellin-induced degradation of the DELLA repressor enhances the brassinosteroid response
TLS Online TPP Program

#Id: 10184

#Unit 6. System Physiology – Plant

Gibberellin appears to promote flowering in Arabidopsis by activating expression of the LEAFY gene.
The activation of LFY by gibberellin is mediated by the
transcription factor GA-MYB
TLS Online TPP Program

#Id: 10185

#Unit 6. System Physiology – Plant

Ratio of GA:ABA affects early germination (vivipary). 
With high levels of ABA, seeds remain dormant.