TLS Online TPP Program

#Id: 1016

#Unit 5. Developmental Biology

In Drosophila, the X chromosome contains genes encoding four transcription factors that activate the critical gene in Drosophila sex determination, the X-linked locus Sex-lethal (Sxl).

TLS Online TPP Program

#Id: 5215

#Unit 7. System Physiology – Animal

Plasminogen is converted to active plasmin when t-PA hydrolyzes the bond between Arg 560 and Val 561. plasmin also activated by urokinase-type plasminogen activator (u-PA).

TLS Online TPP Program

#Id: 9904

#Unit 4. Cell Communication and Cell Signaling

The AIM2-like receptors (ALRs) are cytosolic receptors that bind DNA molecules from bacteria and viruses.

TLS Online TPP Program

#Id: 9126

#Unit 10. Ecological Principles

Ectoparasite A parasite that lives on the outside of an organism.

Endoparasite A parasite that lives inside an organism.

TLS Online TPP Program

#Id: 6324

#Unit 3. Fundamental Processes

Nonsense mutations release ribosomes within the RNA of a multigene operon, though, enabling rho to terminate transcription prematurely and prevent expression of distal genes in the transcription unit even though their open reading frames contained wild-type sequences.