T-Cell Development

a. Commitment of hematopoietic precursors to the T cell lineage

b. The initiation of antigen receptor gene rearrangements

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

TLS Online TPP Program

#Id: 2544

#Unit 13. Methods in Biology

The efficiency of amplification declines with an increase in the length of the target sequence.

TLS Online TPP Program

#Id: 1678

#Unit 4. Cell Communication and Cell Signaling

Multiple gene segments exist at heavy (V, D, and J) and light-chain (V and J) loci.

TLS Online TPP Program

#Id: 6721

#Unit 8. Inheritance Biology

Horizontal gene transfer (lateral gene transfer) is the non-sexual movement of genetic information between genomes. 

TLS Online TPP Program

#Id: 2778

#Unit 13. Methods in Biology

If the sample is hydrophobic Organic solvent is used, then to separat

Differing molecular size - Molecular exclusion system.

Weakly ionic or polar - Reversed-phase partition system.

Strongly ionic - Ion-exchange system or Reversed-phase partition system with lon-pairing is used.

TLS Online TPP Program

#Id: 8564

#Unit 1. Molecules and their Interaction Relevant to Biology