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: 6389

#Unit 2. Cellular Organization

CAP–cAMP complex stimulates transcription of the lac operon by binding to an activator-binding site adjacent to the promoter and helping RNA polymerase bind to the promoter.CAP–cAMP complex stimulates transcription of the lac operon by binding to an activator-binding site adjacent to the promoter and helping RNA polymerase bind to the promoter.

TLS Online TPP Program

#Id: 7594

#Unit 5. Developmental Biology

Chemotaxis oocyte and its accompanying cumulus cells secrete molecules that attract capacitated sperm toward the egg during the last stages of sperm migration

TLS Online TPP Program

#Id: 5993

#Unit 3. Fundamental Processes

Replicons in euchromatin initiate before replicons in heterochromatin

TLS Online TPP Program

#Id: 5632

#Unit 7. System Physiology – Animal

Each rod and cone photoreceptor is divided into:

an outer segment

an inner segment 

a synaptic terminal zone

TLS Online TPP Program

#Id: 909

#Unit 13. Methods in Biology

Tetrazolium compound MTT (3-(4,5-Dimethylthiazol- 2-yl)-2,5-diphenyltetrazolium bromide MTT Assay is calorimetric assay to detect cell division