Pointers

  1. Home
  2. Free Resources
  3. Pointers
  4. 622
TLS Online TPP Program

#Id: 622

During Attenuation, Region 3-4 forms hairpin then second hairpin is formed between Region 1-2



#Unit 2. Cellular Organization #Trp Operon #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
More Pointers
TLS Online TPP Program

#Id: 181

#Unit 5. Developmental Biology

Genetic specificity of induction:
mesenchyme may instruct the epithelium as to what sets of genes to activate, the responding epithelium can comply with these instructions only so far as its genome permits.
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.