Phosphotyrosines function as docking sites for STAT proteins.

TLS Online TPP Program

#Id: 7095

#Unit 3. Fundamental Processes

 A series of 3 G-C pairs in the stem that precedes the loop containing the anticodon is unique to tRNAf Met. These base pairs are required to allow the fMet- tRNAf to be inserted directly into the P site.

TLS Online TPP Program

#Id: 1495

#Unit 4. Cell Communication and Cell Signaling

Growth factor stimulation of cell cycle progression leads to an increase in transcription of the p19ARF protein, which inhibits MDM2’s ability to inhibit p53 .

TLS Online TPP Program

#Id: 610

#Unit 2. Cellular Organization

Trp operon is negatively regulated by two ways

1. Repression

2. Attenuation

Why is this extra control of two layers on trp operon needed? 

TLS Online TPP Program

#Id: 1962

#Unit 10. Ecological Principles

A life table provides data on the number of individuals alive in different age classes and the age-specific survival or mortality rates in these age classes.

TLS Online TPP Program

#Id: 10345

#Unit 4. Cell Communication and Cell Signaling

T1 and T2 Transitional B Cells