The length of Introns is variable while exons are almost constant in length.

TLS Online TPP Program

#Id: 6547

#Unit 7. System Physiology – Animal

Rab proteins in their active GTP-bound states, allow the GLUT4 storage vesicles to move along microtubules to the cell surface

TLS Online TPP Program

#Id: 6029

#Unit 3. Fundamental Processes

The crystal structure of PCNA closely resembles the E. coli b subunit: A trimer forms a ring that surrounds the DNA.  The sequence and subunit organization are different from the dimeric b2 clamp; however, the function is likely to be similar.

TLS Online TPP Program

#Id: 5195

#Unit 7. System Physiology – Animal

The extrinsic system is triggered by the release of tissue thromboplastin, a protein–phospholipid mixture that activates factor VII.

TLS Online TPP Program

#Id: 10423

#Unit 4. Cell Communication and Cell Signaling

Tumor cells secrete a protein plasminogen activator that converts the serum protein plasminogen to the active protease plasmin.

TLS Online TPP Program

#Id: 5750

#Unit 10. Ecological Principles

Dominant species - One that has a large effect in a community because of its abundance or large biomass.