Allelic exclusion

Most T cells fully rearrange and express a TCR chain from only one of their two TCR alleles

TLS Online TPP Program

#Id: 4501

#Unit 13. Methods in Biology

In augmented unipolar limb lead, two of the limbs are connected through the negative terminal of the electrocardiograph, and the third limb is connected to the positive terminal.

TLS Online TPP Program

#Id: 7811

#Unit 10. Ecological Principles

Regulate body temperature

Body temp remain constant

Heat (in) = heat (out)

Heat (in) = Metabolism + solar radiation

Heat (out) = Radiation + Convection + Conduction + Evaporate 

TLS Online TPP Program

#Id: 9150

#Unit 11. Evolution and Behavior

Positive assortative mating refers to a tendency for like individuals to mate. For example, humans exhibit positive assortative mating for height.

TLS Online TPP Program

#Id: 1377

#Unit 4. Cell Communication and Cell Signaling

Short-term regulation: 

JAK2 deactivation by SHP1 phosphatase

TLS Online TPP Program

#Id: 3370

#Unit 3. Fundamental Processes

A human member of the Y family of translesion polymerases (DNA Pol h) correctly inserts two A residues opposite a thymine dimer.