T-Cell Development

Commitment of hematopoietic precursors to the T cell lineage

The initiation of antigen receptor gene rearrangements

The selection and expansion of cells that have successfully rearranged one of their T-cell receptor genes (-selection). 

TLS Online TPP Program

#Id: 4953

#Unit 6. System Physiology – Plant

Type I phytochrome (phyA) in the light as a result of a combination of factors: inhibition of transcription, mRNA degradation, and proteolysis.

TLS Online TPP Program

#Id: 4541

#Unit 12. Applied Biology

The first recombinant subunit vaccine approved for use in humans (against hepatitis B) was made in yeast.

TLS Online TPP Program

#Id: 5030

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 425

#Unit 2. Cellular Organization

This 30-nm fiber is further folded, results in 1000-fold compaction in euchromatin in interphase chromatin and in mitotic chromosomes to achieve an overall 10,000- fold compaction in euchromatin.

TLS Online TPP Program

#Id: 509

#Unit 2. Cellular Organization

Complexity (denoted by N) is the number of base pairs of unique or nonrepeating DNA in a given segment of DNA