Principal function of all 3 human TGF-β isoforms, TGF-β1, 2, and 3:

Prevent cell proliferation by inducing the synthesis of p15 INK4B

TLS Online TPP Program

#Id: 995

#Unit 5. Developmental Biology

A posterior-to-anterior gradient of Caudal protein.

TLS Online TPP Program

#Id: 5083

#Unit 6. System Physiology – Plant

Both Phytochrome and the Circadian Rhythm regulate LHCB.

TLS Online TPP Program

#Id: 8433

#Unit 10. Ecological Principles

Type of iteroparity

Seasonal iteroparity - have distinct breeding seasons 

Continuous iteroparity- reproduce at any time of the year. 

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#Id: 2980

#Unit 3. Fundamental Processes

It does not exist as an independent unit (e.g., analogous to the ribosome), but assembles de novo at the origin for each replication cycle.

TLS Online TPP Program

#Id: 9078

#Unit 4. Cell Communication and Cell Signaling

GRK–β-arrestin pathway, suppress signaling by GPCRs, actually functions as a switch, turning off signaling by G proteins and turning on other signaling pathways.