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TLS Online TPP Program

#Id: 940

The mode of fertilization in sea urchin being external, the egg and spermatozoa are released into the sea water.

#Unit 5. Developmental Biology #Fertilization in Sea urchin #Part B Pointers
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TLS Online TPP Program

#Id: 7393

#Unit 5. Developmental Biology
TLS Online TPP Program

#Id: 7394

#Unit 5. Developmental Biology
TLS Online TPP Program

#Id: 7395

#Unit 5. Developmental Biology

Oocyte nucleus travels to anterior dorsal side of oocyte where it localizes gurken mRNA
TLS Online TPP Program

#Id: 7396

#Unit 5. Developmental Biology

Translated Gurken is received by Torpedo proteins. Torpedo signal causes follicle cells to differentiate to a dorsal morphology.
Gurken does not diffuse to ventral
follicle cells
TLS Online TPP Program

#Id: 7397

#Unit 5. Developmental Biology

Pipe synthesis is inhibited in dorsal follicle cells
TLS Online TPP Program

#Id: 7398

#Unit 5. Developmental Biology

Ventral follicle cells synthesize Pipe. Pipe signal sulfates ventral vitelline proteins