B cells can be negatively signaled through CD22 and FcγRIIb a receptor that recognizes the presence of IgG containing immune complexes in the blood.

TLS Online TPP Program

#Id: 6281

#Unit 3. Fundamental Processes

Holoenzyme binds to promoters much more tightly, with an association constant ,1000 times higher on average and a half-life that can be as long as several hours

TLS Online TPP Program

#Id: 2632

#Unit 13. Methods in Biology

The principle behind the S1 mapping method is to label a single stranded DNA probe that can hybridize only to the transcript of interest. 

TLS Online TPP Program

#Id: 7985

#Unit 10. Ecological Principles

Some plants of arid habitats close their stomata in the day and open them at night, when it is cooler.

TLS Online TPP Program

#Id: 2611

#Unit 13. Methods in Biology

RACE can be used to amplify unknown 5' (5'-RACE) or 3' (3'-RACE) parts of RNA molecules where part of the RNA sequence is known and targeted by a GSP gene-specific primer.

TLS Online TPP Program

#Id: 8002

#Unit 10. Ecological Principles

Ecological niche modeling - The process of determining the suitable habitat conditions for a species.