The 5′→3′ exonuclease pathway predominates in yeast, and the 3′→5′ exosome pathway predominates in mammalian cells.  The decapping enzymes and 5′→3′ exonuclease are concentrated in P bodies

TLS Online TPP Program

#Id: 8244

#Unit 10. Ecological Principles

Average finite rate of increase.

TLS Online TPP Program

#Id: 6883

#Unit 3. Fundamental Processes

Inactive X chromosome also becomes associated with PRC2 complexes, which catalyze the trimethylation of histone H3 lysine 27. This methylation results in association of the PRC1 complex and transcriptional repression

TLS Online TPP Program

#Id: 9630

#Unit 4. Cell Communication and Cell Signaling

Other EGF family receptors HER2, HER3, and HER4 do not undergo internalization after exposure to ligand

TLS Online TPP Program

#Id: 4493

#Unit 13. Methods in Biology

The U wave is an inconstant finding that may be due to ventricular myocytes with long action potentials.

TLS Online TPP Program

#Id: 7462

#Unit 5. Developmental Biology

Histidine phosphatase activity of DhkA causes inactivation of RegA, the accumulation of cAMP and PKA activation, causes spore maturation.