Regulatory T cells inactivate traditional T cells.

TLS Online TPP Program

#Id: 3352

#Unit 3. Fundamental Processes

Photoreactivation directly reverses the formation of pyrimidine dimers that result from ultraviolet irradiation.

TLS Online TPP Program

#Id: 2560

#Unit 13. Methods in Biology

Genetic engineering has introduced site-specific mutations that enhance fluorescence intensity and shift the wavelength of the emitted light to different colors, thereby making it possible to simultaneously monitor the expression of two or more different genes.

TLS Online TPP Program

#Id: 4957

#Unit 6. System Physiology – Plant

very-low-fluence responses (VLFRs), low-fluence responses (LFRs), and high-irradiance responses (HIRs).

TLS Online TPP Program

#Id: 1238

#Unit 7. System Physiology – Animal

Corticotropin-releasing hormone (CRH) stimulates secretion of ACTH by corticotropes.

TLS Online TPP Program

#Id: 2953

#Unit 3. Fundamental Processes

By counting the number of sites to which ORC binds, we can estimate that there are about 400 origins of replication in the yeast genome.