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TLS Online TPP Program

#Id: 9734

To store, toxic secondary metabolites is to conjugate them with a sugar, which also makes them more water soluble

#Unit 6. System Physiology – Plant #Plant Défense against Pathogen #Part B Pointers
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TLS Online TPP Program

#Id: 182

#Unit 5. Developmental Biology

Epithelial-Mesenchymal Transition
An orderly series of events whereby epithelial cells are transformed into mesenchymal cells.
TLS Online TPP Program

#Id: 183

#Unit 5. Developmental Biology

Morphogen is a diffusable biochemical molecule that can determine the fate of a cell by its concentration.
TLS Online TPP Program

#Id: 184

#Unit 5. Developmental Biology

Morphogens can be:
Transcription factors
Paracrine factors
TLS Online TPP Program

#Id: 185

#Unit 5. Developmental Biology

A morphogen specifies cells in a quantitative (“more or less”) manner.
TLS Online TPP Program

#Id: 186

#Unit 5. Developmental Biology

A morphogenetic determinant specifies cells in a qualitative (“present or absent”) way.
TLS Online TPP Program

#Id: 187

#Unit 5. Developmental Biology

In the frog (Xenopus laevis)
A gradient of the paracrine factor activin (a morphogen), causes concentration-dependent expression differences of two genes in unspecified cells.