Theca cells synthesize and secrete progesterone.

TLS Online TPP Program

#Id: 10171

#Unit 6. System Physiology – Plant

Gibberellins Enhance Cell Wall Extensibility without Acidification.

Enzyme Expansins and Xyloglucan endotransglycosylase (XET) is involved in gibberellin-promoted wall extension. The function of XET may be to facilitate the penetration of expansins into the cell wall.

TLS Online TPP Program

#Id: 6316

#Unit 3. Fundamental Processes

Readthrough transcripts refer to the fraction of transcripts that are not stopped by the terminator.  Furthermore, the termination event can be prevented by specific ancillary factors that interact with RNA and/or RNA polymerase, a situation referred to as antitermination.

TLS Online TPP Program

#Id: 1076

#Unit 5. Developmental Biology

Many of the genes that determine floral organ identity are MADS box genes, including AG, PI, and AP3 genes of Arabidopsis

TLS Online TPP Program

#Id: 5211

#Unit 7. System Physiology – Animal

Activated protein C (APC), along with its cofactor protein S, inactivates factors V and VIII and inactivates an inhibitor of tissue plasminogen activator, increasing the formation of plasmin.

TLS Online TPP Program

#Id: 10508

#Unit 4. Cell Communication and Cell Signaling

CED-4 is a protease-activating factor that causes autoproteolytic cleavage of the CED-3 protease to promote its activation and to initiate cell death