Development of T cells from hematopoietic stem cells on bone marrow stromal cells expressing the Notch ligand.

TLS Online TPP Program

#Id: 4001

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 6314

#Unit 3. Fundamental Processes

There are 1100 sequences terminators in the E. coli genome

Intrinsic terminators include palindromic regions that form hairpins varying in length from 7 to 20 bp. The stem-loop structure includes a G-C–rich region and is followed by a run of 7U residues.

TLS Online TPP Program

#Id: 5576

#Unit 7. System Physiology – Animal

The vasa recta do not create the medullary hyperosmolarity,but they do prevent it from being dissipated

TLS Online TPP Program

#Id: 2427

#Unit 3. Fundamental Processes

Rho factor is an essential protein in E. coli that causes transcription termination.

TLS Online TPP Program

#Id: 7051

#Unit 11. Evolution and Behavior

Haldane’s rule: hybrid sterility or hybrid inviability is often limited to the heterogametic sex.